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Tributary in Irish (Fo-abhainn): Meaning, Pronunciation, Usage

The Irish for tributary is fo-abhainn, a feminine noun (plural fo-aibhneacha).
Updated October 2026Report a mistake

How to say “tributary” in Irish

Irish:
fo-abhainn
English:
tributary
Word type:
noun
Gender:
feminine
Pronunciation:
“FUH-ow-in”  /ˈfˠɔˌəunʲ/
Various forms
Plural:
fo-aibhneacha (tributaries)
Genitive singular:
fo-abhann, na fo-abhann (e.g. bruach na fo-abhann, the bank of the tributary)
Genitive plural:
fo-aibhneacha, na bhfo-aibhneacha (e.g. uisce na bhfo-aibhneacha, the water of the tributaries)

What does “fo-abhainn” mean?

tributary
A smaller river or stream that flows into a larger river.Also: affluent, feeder stream, branch of a river.

“Fo-abhainn” with the article

The plural of tributary in Irish is fo-aibhneacha. Here is fo-abhainn after the article (an t-alt), in the singular and the plural.

an fho-abhainn
the tributary
Lenition: f becomes fh after an (feminine noun)
na fo-aibhneacha
the tributaries
Plural: no change after na

“Fo-abhainn” in a sentence: Irish examples

Common Irish sentences using fo-abhainn, the Irish word for tributary.

Is fo-abhainn den tSionainn í an abhainn seo.
This river is a tributary of the Shannon.
Tá an fho-abhainn lán tar éis na báistí.
The tributary is full after the rain.
Shiúlamar feadh bhruach na fo-abhann.
We walked along the bank of the tributary.
Tá go leor fo-aibhneacha ag an abhainn mhór.
The big river has many tributaries.
Rug mé ar bhreac san fho-abhainn inné.
I caught a trout in the tributary yesterday.
Tá droichead beag thar an bhfo-abhainn.
There is a small bridge over the tributary.
Ainmnigh fo-aibhneacha na Life ar an léarscáil.
Name the tributaries of the Liffey on the map.

Other nouns in Irish

More everyday Irish nouns to learn next.

Tributary in Irish: frequently asked questions

What is the Irish for tributary?

The Irish for tributary is fo-abhainn (pronounced “FUH-ow-in”). It’s a feminine noun and the plural is fo-aibhneacha.

How do you pronounce fo-abhainn in Irish?

Fo-abhainn is said like “FUH-ow-in” (IPA /ˈfˠɔˌəunʲ/).

What is the plural of tributary in Irish?

The plural of fo-abhainn is fo-aibhneacha; with the article, na fo-aibhneacha means “the tributaries”. The genitive plural is fo-aibhneacha, as in uisce na bhfo-aibhneacha (the water of the tributaries).

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

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

How is fo-abhainn formed?

It combines the prefix fo- (sub-, minor) with abhainn (river), so a fo-abhainn is a minor river feeding a bigger one. The same prefix appears in fo-éadach (underclothing).

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