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By-product in Irish (Fothoradh): Meaning, Pronunciation, Usage

The Irish for by-product is fothoradh, a masculine noun (plural fothorthaí).
Updated October 2026Report a mistake

How to say “by-product” in Irish

Irish:
fothoradh
English:
by-product
Word type:
noun
Gender:
masculine
Pronunciation:
“FUH-hor-uh”  /ˈfˠɔhəɾˠə/
Various forms
Plural:
fothorthaí (by-products)
Genitive singular:
fothoraidh, an fhothoraidh (e.g. luach an fhothoraidh, value of the by-product)
Genitive plural:
fothorthaí, na bhfothorthaí (e.g. díol na bhfothorthaí, the sale of the by-products)

What does “fothoradh” mean?

by-product
A secondary product made incidentally while making something else.Also: byproduct, side product, secondary product.

“Fothoradh” with the article

The plural of by-product in Irish is fothorthaí. Here is fothoradh after the article (an t-alt), in the singular and the plural.

an fothoradh
the by-product
No change after an
na fothorthaí
the by-products
Plural: no change after na

“Fothoradh” in a sentence: Irish examples

Common Irish sentences using fothoradh, the Irish word for by-product.

Is fothoradh í an bhláthach.
Buttermilk is a by-product.
Díoltar an fothoradh le feirmeoirí áitiúla.
The by-product is sold to local farmers.
Tá roinnt fothorthaí ag teacht ón monarcha.
Several by-products come from the factory.
Úsáidtear fothorthaí na feola i mbia peataí.
Meat by-products are used in pet food.
Tá praghas an fhothoraidh ag ardú.
The price of the by-product is rising.
Is fothoradh den phróiseas é an gás seo.
This gas is a by-product of the process.
Ní raibh súil againn leis an bhfothoradh sin.
We did not expect that by-product.

Other nouns in Irish

More everyday Irish nouns to learn next.

By-product in Irish: frequently asked questions

What is the Irish for by-product?

The Irish for by-product is fothoradh (pronounced “FUH-hor-uh”). It’s a masculine noun and the plural is fothorthaí.

How do you pronounce fothoradh in Irish?

Fothoradh is said like “FUH-hor-uh” (IPA /ˈfˠɔhəɾˠə/).

What is the plural of by-product in Irish?

The plural of fothoradh is fothorthaí; with the article, na fothorthaí means “the by-products”. The genitive plural is fothorthaí, as in díol na bhfothorthaí (the sale of the by-products).

Why does fothoradh change to fhothoradh or bhfothoradh?

Irish changes the start of some words after certain words. After mo (my) fothoradh becomes m'fhothoradh (lenition), and after ár (our) or i (in) it becomes ár bhfothoradh (eclipsis).

How is 'fothoradh' related to 'toradh'?

It is 'toradh' (result, produce) with the prefix 'fo-' meaning secondary, so 'fothoradh' is a secondary product or by-product.

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