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Affix in Irish (Táthmhír): Meaning, Pronunciation, Usage

The Irish for affix is táthmhír, a feminine noun (plural táthmhíreanna).
Updated October 2026Report a mistake

How to say “affix” in Irish

Irish:
táthmhír
English:
affix
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“TAW-veer”  /ˈt̪ˠaːvʲiːɾʲ/
Various forms
Plural:
táthmhíreanna (affixes)
Genitive singular:
táthmhíre, na táthmhíre (e.g. brí na táthmhíre, meaning of the affix)
Genitive plural:
táthmhíreanna, na dtáthmhíreanna (e.g. liosta na dtáthmhíreanna, the list of affixes)

What does “táthmhír” mean?

affix
A grammatical element, such as a prefix or suffix, that is attached to a word to change its meaning or form.Also: prefix, suffix, bound morpheme.

“Táthmhír” with the article

The plural of affix in Irish is táthmhíreanna. Here is táthmhír after the article (an t-alt), in the singular and the plural.

an táthmhír
the affix
No change: d and t are not lenited after an
na táthmhíreanna
the affixes
Plural: no change after na

“Táthmhír” in a sentence: Irish examples

Common Irish sentences using táthmhír, the Irish word for affix.

Is táthmhír í an réimír 'mí-'.
The prefix 'mí-' is an affix.
Cuirtear an táthmhír ag deireadh an fhocail.
The affix is put at the end of the word.
Athraíonn an táthmhír brí an fhocail.
The affix changes the meaning of the word.
Tá go leor táthmhíreanna sa Ghaeilge.
There are many affixes in Irish.
Cad is brí leis an táthmhír seo?
What does this affix mean?
Foghlaimíonn na daltaí faoi tháthmhíreanna sa rang gramadaí.
The pupils learn about affixes in grammar class.
Scríobh síos fuaimniú na táthmhíre.
Write down the pronunciation of the affix.

Other nouns in Irish

More everyday Irish nouns to learn next.

Affix in Irish: frequently asked questions

What is the Irish for affix?

The Irish for affix is táthmhír (pronounced “TAW-veer”). It’s a feminine noun and the plural is táthmhíreanna.

How do you pronounce táthmhír in Irish?

Táthmhír is said like “TAW-veer” (IPA /ˈt̪ˠaːvʲiːɾʲ/).

What is the plural of affix in Irish?

The plural of táthmhír is táthmhíreanna; with the article, na táthmhíreanna means “the affixes”. The genitive plural is táthmhíreanna, as in liosta na dtáthmhíreanna (the list of affixes).

Why does táthmhír change to tháthmhír or dtáthmhír?

Irish changes the start of some words after certain words. After mo (my) táthmhír becomes mo tháthmhír (lenition), and after ár (our) or i (in) it becomes ár dtáthmhír (eclipsis).

How is 'táthmhír' different from 'réimír' and 'iarmhír'?

'Táthmhír' is the general term for an affix, while 'réimír' is a prefix and 'iarmhír' is a suffix.

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