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Etymology in Irish (Sanas): Meaning, Pronunciation, Usage

‘sanas’ also means: whisper · annunciation

The Irish for etymology is sanas, a masculine noun (plural sanais).
Updated October 2026Report a mistake

How to say “etymology” in Irish

Irish:
sanas
English:
etymology, whisper, annunciation
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“SAN-us”  /ˈsˠanˠəsˠ/
Various forms
Plural:
sanais (etymologies)
Genitive singular:
sanais, an tsanais (e.g. foinse an tsanais, the source of the etymology)
Genitive plural:
sanas, na sanas (e.g. foclóir sanas, etymological dictionary)

What does “sanas” mean?

“Sanas” has three alternative meanings. The most common comes first.

etymology
The origin and history of a word; in modern Irish 'sanas' is the usual term for a word's etymology.Also: word origin, derivation.
2 other meanings: whisper or annunciation
2whisper
A quiet hint, suggestion or private word given to someone.Also: hint, suggestion, private communication.
3annunciation
The announcement to the Virgin Mary that she would bear Christ, as in 'Lá Fhéile Muire na Sanaise' (Lady Day).Also: lady day.

“Sanas” with the article

The plural of etymology in Irish is sanais. Here is sanas after the article (an t-alt), in the singular and the plural.

an sanas
the etymology
No change after an
na sanais
the etymologies
Plural: no change after na

“Sanas” in a sentence: Irish examples

Common Irish sentences using sanas, the Irish word for etymology.

Níl aon duine cinnte faoi shanas an fhocail sin.
Nobody is sure about the origin of that word.
Tá sanas an fhocail sin sa leabhar.
The etymology of that word is in the book.
Is spéis liom sanas na logainmneacha.
I'm interested in the etymology of place names.
Tugann an foclóir sanais na bhfocal.
The dictionary gives the etymologies of the words.
Tá suim mhór aige i staidéar an tsanais.
He has a great interest in the study of etymology.
Chuir sí sanas ina chluas.
She whispered a hint in his ear.
Bíonn botúin i sanais áirithe sa seanleabhar.
Some etymologies in the old book contain mistakes.

Other nouns in Irish

More everyday Irish nouns to learn next.

Etymology in Irish: frequently asked questions

What is the Irish for etymology?

The Irish for etymology is sanas (pronounced “SAN-us”). It’s a masculine noun and the plural is sanais. Depending on context it can also mean whisper or annunciation.

How do you pronounce sanas in Irish?

Sanas is said like “SAN-us” (IPA /ˈsˠanˠəsˠ/).

What is the plural of etymology in Irish?

The plural of sanas is sanais; with the article, na sanais means “the etymologies”. The genitive plural is sanas, as in foclóir sanas (etymological dictionary).

Does sanas have more than one meaning?

Yes. Sanas can mean etymology, whisper or annunciation, depending on context; the first is the most common.

Why does sanas change to shanas?

After words like mo (my) and do (your) the first letter is lenited: mo shanas. After ár (our) it stays ár sanas, because s does not take eclipsis.

What is the difference between 'sanas' and 'sanasaíocht'?

'Sanas' is the etymology of a particular word, while 'sanasaíocht' is the study of etymology as a field.

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