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Collection in Irish (Tiomsú): Meaning, Pronunciation, Usage

‘tiomsú’ also means: compilation · gathering

The Irish for collection is tiomsú, a masculine noun (plural tiomsuithe). Ag tiomsú is gathering, from the verb tiomsaigh.
Updated October 2026Report a mistake

How to say “collection” in Irish

Irish:
tiomsú
English:
collection, compilation, gathering
Word type:
noun (verbal noun)
Verbal noun of:
tiomsaigh, to gather (ag tiomsú, gathering)
Gender:
masculine, fourth declension
Pronunciation:
“TYUM-soo”  /ˈtʲʊmˠsˠuː/
Various forms
Plural:
tiomsuithe (collections)
Genitive singular:
tiomsaithe, an tiomsaithe (e.g. obair an tiomsaithe, the work of compiling)
Genitive plural:
tiomsuithe, na dtiomsuithe (e.g. eagarthóir na dtiomsuithe, the editor of the collections)

What does “tiomsú” mean?

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

collection
The act of collecting or accumulating things; the verbal noun of the verb tiomsaigh.Also: accumulation, collecting, amassing.
2 other meanings: compilation or gathering
2compilation
The act of compiling material, or a body of material that has been compiled, such as songs or texts.Also: compiling, anthology.
3gathering
The act of gathering or assembling people or things together.Also: assembly, assembling, mustering.

Other Irish words for collection: bailiúchán (collection), bailiú (collecting), cnuasach (collection)

“Tiomsú” as a verbal noun

After ag, tiomsú means gathering: it is the verbal noun of the verb tiomsaigh (to gather). A noun that follows it goes into the genitive.

agat
+
tiomsúverbal noun
=
ag tiomsúgathering

“Tiomsú” with the article

The plural of collection in Irish is tiomsuithe. Here is tiomsú after the article (an t-alt), in the singular and the plural.

an tiomsú
the collection
No change after an
na tiomsuithe
the collections
Plural: no change after na

“Tiomsú” in a sentence: Irish examples

Common Irish sentences using tiomsú, the Irish word for collection.

Thosaigh sí ar thiomsú amhrán ó na seandaoine.
She began collecting songs from the old people.
Tá an tiomsú seo an-luachmhar do scoláirí.
This compilation is very valuable to scholars.
Bhí sé gafa le tiomsú airgid ar feadh a shaoil.
He was obsessed with amassing money all his life.
Ghlac tiomsú an fhoclóra deich mbliana.
Compiling the dictionary took ten years.
Foilsíodh dhá thiomsú scéalta anuraidh.
Two collections of stories were published last year.
Is é an modh tiomsaithe a bhí lochtach.
It was the method of compilation that was flawed.
Tá tiomsuithe den chineál sin le fáil sa leabharlann.
Collections of that kind can be found in the library.

Other nouns in Irish

More everyday Irish nouns to learn next.

Collection in Irish: frequently asked questions

What is the Irish for collection?

The Irish for collection is tiomsú (pronounced “TYUM-soo”). It’s a masculine noun and the plural is tiomsuithe. Depending on context it can also mean compilation or gathering.

How do you pronounce tiomsú in Irish?

Tiomsú is said like “TYUM-soo” (IPA /ˈtʲʊmˠsˠuː/).

What is the plural of collection in Irish?

The plural of tiomsú is tiomsuithe; with the article, na tiomsuithe means “the collections”. The genitive plural is tiomsuithe, as in eagarthóir na dtiomsuithe (the editor of the collections).

Does tiomsú have more than one meaning?

Yes. Tiomsú can mean collection, compilation or gathering, depending on context; the first is the most common.

Why does tiomsú change to thiomsú or dtiomsú?

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

How is tiomsú different from bailiú?

Both can mean collecting, but bailiú is the everyday word, while tiomsú is more formal and often used for compiling or amassing, as in tiomsú foclóra.

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