HeyRua Get the app

Tail of a fish in Irish (Eithre): Meaning, Pronunciation, Usage

The Irish for tail of a fish is eithre, a feminine noun (plural eithrí).
Updated October 2026Report a mistake

How to say “tail of a fish” in Irish

Irish:
eithre
English:
tail of a fish
Word type:
noun
Gender:
feminine, fourth declension
Pronunciation:
“EH-hruh”  /ˈɛhɾʲə/
Various forms
Plural:
eithrí (tails of a fish)
Genitive singular:
eithre, na heithre (e.g. barr na heithre, the tip of the tail)
Genitive plural:
eithrí, na n-eithrí (e.g. cruth na n-eithrí, the shape of the tails)

What does “eithre” mean?

tail of a fish
The tail or tail fin of a fish.Also: fish tail, tail fin, caudal fin.

“Eithre” with the article

The plural of tail of a fish in Irish is eithrí. Here is eithre after the article (an t-alt), in the singular and the plural.

an eithre
the tail of a fish
No change: feminine nouns starting with a vowel keep their form after an
na heithrí
the tails of a fish
Plural: na adds h before a vowel

“Eithre” in a sentence: Irish examples

Common Irish sentences using eithre, the Irish word for tail of a fish.

Bhuail an breac an t-uisce lena eithre.
The trout struck the water with its tail.
Tá eithre mhór leathan ar an mbradán.
The salmon has a big broad tail.
Ghearr sí an eithre den iasc.
She cut the tail off the fish.
Rug sé ar an iasc faoin eithre.
He caught the fish by the tail.
Bhí barr na heithre briste.
The tip of the tail was broken.
Bíonn eithrí na siorcanna an-láidir.
Sharks' tails are very strong.
Chonaic mé eithre an éisc os cionn an uisce.
I saw the fish's tail above the water.

Other nouns in Irish

More everyday Irish nouns to learn next.

Tail of a fish in Irish: frequently asked questions

What is the Irish for tail of a fish?

The Irish for tail of a fish is eithre (pronounced “EH-hruh”). It’s a feminine noun and the plural is eithrí.

How do you pronounce eithre in Irish?

Eithre is said like “EH-hruh” (IPA /ˈɛhɾʲə/).

What is the plural of tail of a fish in Irish?

The plural of eithre is eithrí; with the article, na heithrí means “the tails of a fish”. The genitive plural is eithrí, as in cruth na n-eithrí (the shape of the tails).

Why does eithre sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an eithre (the tail of a fish), a heithre (her tail of a fish), a n-eithre (their tail of a fish), na heithrí (the tails of a fish).

What is the difference between 'eithre' and 'eireaball'?

'Eireaball' is the general word for an animal's tail, while 'eithre' is used specifically for the tail of a fish.

Learn Irish by
actually speaking it

Learn everyday Irish words like eithre through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen