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Subgroup in Irish (Fo-ghrúpa): Meaning, Pronunciation, Usage

The Irish for subgroup is fo-ghrúpa, a masculine noun (plural fo-ghrúpaí).
Updated October 2026Report a mistake

How to say “subgroup” in Irish

Irish:
fo-ghrúpa
English:
subgroup
Word type:
noun
Gender:
masculine
Pronunciation:
“FO-ghroo-puh”  /ˈfoˌɣɾˠuːpˠə/
Various forms
Plural:
fo-ghrúpaí (subgroups)
Genitive singular:
fo-ghrúpa, an fho-ghrúpa (e.g. baill an fho-ghrúpa, members of the subgroup)
Genitive plural:
fo-ghrúpaí, na bhfo-ghrúpaí (e.g. líon na bhfo-ghrúpaí, the number of subgroups)

What does “fo-ghrúpa” mean?

subgroup
A smaller group formed within a larger group, including in mathematics a subset of a group that is itself a group.Also: sub-group, subset group.

“Fo-ghrúpa” with the article

The plural of subgroup in Irish is fo-ghrúpaí. Here is fo-ghrúpa after the article (an t-alt), in the singular and the plural.

an fo-ghrúpa
the subgroup
No change after an
na fo-ghrúpaí
the subgroups
Plural: no change after na

“Fo-ghrúpa” in a sentence: Irish examples

Common Irish sentences using fo-ghrúpa, the Irish word for subgroup.

Bunaíodh fo-ghrúpa chun an cheist a phlé.
A subgroup was set up to discuss the question.
Tá an fo-ghrúpa ag bualadh le chéile inniu.
The subgroup is meeting today.
Scríobh cathaoirleach an fho-ghrúpa tuarascáil.
The chair of the subgroup wrote a report.
Roinneadh an rang ina fho-ghrúpaí beaga.
The class was divided into small subgroups.
Tá m'fho-ghrúpa ag obair ar an tionscadal.
My subgroup is working on the project.
Bhí ceathrar daoine san fho-ghrúpa.
There were four people in the subgroup.
Cruthaigh gur fo-ghrúpa é an tacar seo.
Prove that this set is a subgroup.

Other nouns in Irish

More everyday Irish nouns to learn next.

Subgroup in Irish: frequently asked questions

What is the Irish for subgroup?

The Irish for subgroup is fo-ghrúpa (pronounced “FO-ghroo-puh”). It’s a masculine noun and the plural is fo-ghrúpaí.

How do you pronounce fo-ghrúpa in Irish?

Fo-ghrúpa is said like “FO-ghroo-puh” (IPA /ˈfoˌɣɾˠuːpˠə/).

What is the plural of subgroup in Irish?

The plural of fo-ghrúpa is fo-ghrúpaí; with the article, na fo-ghrúpaí means “the subgroups”. The genitive plural is fo-ghrúpaí, as in líon na bhfo-ghrúpaí (the number of subgroups).

Why does fo-ghrúpa change to fho-ghrúpa or bhfo-ghrúpa?

Irish changes the start of some words after certain words. After mo (my) fo-ghrúpa becomes m'fho-ghrúpa (lenition), and after ár (our) or i (in) it becomes ár bhfo-ghrúpa (eclipsis).

Is it written fo-ghrúpa or foghrúpa?

Both are found; the prefix fo- lenites the following word, giving fo-ghrúpa, and the hyphenated form is common in terminology.

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