Ailill declared his delirious passion
Gratuitous granted Etain his heart
And repudiated his life in return
For a moment of marital art.

On Solstice day we pause to see,
Lit bright by intrepid Sun,
The bellwether of all we be:
A young maiden’s life cast and undone.

Delirious (adjective)

Marked by uncontrolled excitement or emotion

Grammer.com

Gratuitous (adjective)

1. Given or granted without return or recompense; unearned.

2. Unnecessary or unwarranted; unjustified

WordThink

Repudiate (verb used with object)

To reject with disapproval or condemnation

Dictionary.com

Queen Etain of Tara ruled with aplomb.
Bonhomous and fair, well loved by all,
Especially Ailill, her husband’s brother.
Who would zip her life with his thrall.

Aplomb (noun)

Self-confident assurance, skill, and poise – especially in difficult or challenging circumstances.

WordThink

Bonhomous (Adjective)

Good-natured; good-hearted; friendly; genial; possessing an affable and approachable disposition; easy to talk to.

Grammer.com

Zig (noun)

A sharp turn or angle in a zigzag course. verb intr.: To make a sharp turn

WordSmith

A bolide she was born to mortal woman,
Secular prayers given to her grace
Eochaid, a secretly louche man wooed
And brought her Tara in lace.

Louche (adjective)

Not reputable or decent

Merriam-Webster

Bolide (noun)

A large, brilliant meteor, especially one that explodes; fireball.

Dictionary.com

Secular (adjective)

1. Worldly rather than spiritual.

2. Not specifically relating to religion or to a religious body.

WordThink

Catharsis for Etain became burden bore
For Etar’s wife. The anchorite butterfly
was after arduous labor to Etar
a child born with expectations high.

Catharsis (noun)

The purging of the senses and emotions through tragic drama or music; a discharge of negative emotions that releases tension. 

Desk Calendar

Arduous (adjective)

1. Demanding great effort or labor; difficult. “An arduous undertaking.”

2. Testing severely the powers of endurance; strenuous. “A long and arduous process.”

WordThink

Anchorite (noun)

A person who has retired to a solitary place for a life of religious seclusion; hermit.

Dictionary.com

Pervicacious Etain blown by the wind
Became not lugubrious or full of strife
Until finally she alighted on a cup
And mesmerized the Chieftan’s wife.

Pervicacious (adjective)

Stubborn, extremely willful, obstinate. “He became quite pervicacious in his old age.”

WordThink

Lugubrious (adjective)

Mournful, dismal, or gloomy, especially in an affected, exaggerated, or unrelieved manner: lugubrious songs of lost love.

Dictionary.com

Mesmerize (verb)

To hold (someone) as if spellbound.

Quotationspage.com

With a smirk and false incriminations
Fuanmnach cast Etain to the sea
Seven more years absent safety,
Accoutrement, or peace was she.

On Solstice day we pause to see,
Lit bright by intrepid Sun,
The bellwether of all we be:
A young maiden’s life cast and undone.

Accoutrement (noun)

Additional items of dress or equipment, carried or worn by a person or used for a particular activity. The General dressed for battle in shining accoutrements.”

WordThink

Incriminate (verb)

Suggest that someone is guilty.

quotationspage.com

Smirk

intransitive verb: To smile in an annoying self-satisfied manner.

noun: An annoying self-satisfied smile.

Wordnik

To Angus a breviary of her woes she gave.
But he was just a tinhorn against her pursuer
Fuanmnach found her and despite withershins
And warnings continued as wrongdoer.

Tinhorn (noun)

Someone who pretends to have money, skill, influence, etc. adjective: Inferior or insignificant, while pretending to be otherwise.

WordSmith

Withershins (adverb)

In a direction contrary to the natural one, especially contrary to the apparent course of the sun or counterclockwise: considered as unlucky or causing disaster.

Dictionary.com

Breviary (noun)

A brief summary or abridgment

Desk Calendar

To the fairy palace of Angus on the Boyne,
A paradigm of sanctuary, Etain flew.
Refugee, faff, flower nectar she found
Unaware that evections brew.

Paradigm (noun)

A typical example or pattern of something; a model.

WordThink

Evection (noun)

Irregularity in the moon’s motion caused by perturbations of the sun and planets

Collins

Faff (verb)

Spend time in ineffectual activity.

Lexico

A storm raised against her, cast
to the sea. Deciduous seven years
Etain rode the wind, buffeted and weary,
No relief from her tears.

A storm raised against her, cast
From her husband. His lassitude for seven years
Of Fuanmach made a poor ectype
His heart now belonged with hers.

Lassitude (noun)

Weariness of body or mind from strain, oppressive climate, etc.; lack of energy; listlessness.

Dictionary.com

Deciduous (adjective)

Not permanent or lasting; ephemeral.

WordThink

Ectype (noun)

A reproduction or copy of something

Desk Calendar

Fuamnach turned her to water, worm, butterfly
Still assiduous Etain was kind
Standing upon an inflection point
Watching dolmen’s guide her mind.
 
On Solstice day we pause to see,
Lit bright by intrepid Sun,
The bellwether of all we be:
A young maiden’s life cast and undone.

Assiduous (adjective)

1. Constant in application or attention; diligent: “An assiduous worker who strove for perfection.”

2. Unceasing; persistent: “Assiduous cancer research.”

WordThink

Dolmen (noun)

In British archaeology a Neolithic stone formation , consisting of a horizontal stone supported by several vertical stones, and thought to be a tomb

Collins

Inflection point (noun)

A point at which a major or decisive change takes place; critical point.

Dictionary.com