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Prime cost in Irish (Bunchostas): Meaning, Pronunciation, Usage

The Irish for prime cost is bunchostas, a masculine noun (plural bunchostais).
Updated October 2026Report a mistake

How to say “prime cost” in Irish

Irish:
bunchostas
English:
prime cost
Word type:
noun
Gender:
masculine
Pronunciation:
“BUN-khus-tus”  /ˈbʊnˌxɔsˠt̪ˠəsˠ/
Various forms
Plural:
bunchostais (prime costs)
Genitive singular:
bunchostais, an bhunchostais (e.g. ríomh an bhunchostais, calculation of the prime cost)
Genitive plural:
bunchostas, na mbunchostas (e.g. ríomh na mbunchostas, the calculation of prime costs)

What does “bunchostas” mean?

prime cost
The basic cost of producing something, counting materials and direct labour but not overheads or profit.Also: basic cost, cost price, original cost.

“Bunchostas” with the article

The plural of prime cost in Irish is bunchostais. Here is bunchostas after the article (an t-alt), in the singular and the plural.

an bunchostas
the prime cost
No change after an
na bunchostais
the prime costs
Plural: no change after na

“Bunchostas” in a sentence: Irish examples

Common Irish sentences using bunchostas, the Irish word for prime cost.

Is é an bunchostas an chéad rud a ríomhtar.
The prime cost is the first thing calculated.
Tá bunchostas an táirge ag ardú.
The prime cost of the product is rising.
Dhíol siad na hearraí ar bhunchostas.
They sold the goods at cost price.
Ní chuimsíonn an bunchostas forchostais.
The prime cost does not include overheads.
D'ardaigh na bunchostais go mór i mbliana.
Prime costs rose sharply this year.
Rinne an cuntasóir anailís ar an mbunchostas.
The accountant analysed the prime cost.
Cuir an brabús leis an mbunchostas.
Add the profit to the prime cost.

Other nouns in Irish

More everyday Irish nouns to learn next.

Prime cost in Irish: frequently asked questions

What is the Irish for prime cost?

The Irish for prime cost is bunchostas (pronounced “BUN-khus-tus”). It’s a masculine noun and the plural is bunchostais.

How do you pronounce bunchostas in Irish?

Bunchostas is said like “BUN-khus-tus” (IPA /ˈbʊnˌxɔsˠt̪ˠəsˠ/).

What is the plural of prime cost in Irish?

The plural of bunchostas is bunchostais; with the article, na bunchostais means “the prime costs”. The genitive plural is bunchostas, as in ríomh na mbunchostas (the calculation of prime costs).

Why does bunchostas change to bhunchostas or mbunchostas?

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

How does bunchostas differ from costas?

Costas is any cost in general, while bunchostas is the basic or prime cost of production, before overheads (forchostais) are added.

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