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Principal in Irish (Príomhshuim): Meaning, Pronunciation, Usage

The Irish for principal is príomhshuim, a feminine noun (plural príomhshuimeanna).
Updated October 2026Report a mistake

How to say “principal” in Irish

Irish:
príomhshuim
English:
principal
Word type:
noun
Gender:
feminine
Pronunciation:
“PREE-uv-him”  /ˈpʲɾʲiːvˌhɪmʲ/
Various forms
Plural:
príomhshuimeanna (principals)
Genitive singular:
príomhshuime, na príomhshuime (e.g. aisíoc na príomhshuime, repayment of the principal)
Genitive plural:
príomhshuimeanna, na bpríomhshuimeanna (e.g. luach na bpríomhshuimeanna, the value of the principal sums)

What does “príomhshuim” mean?

principal
The original sum of money lent or invested, on which interest is calculated.Also: principal sum, capital sum, capital.

Other Irish words for principal: príomhoide (principal), ardmháistir (headmaster)

“Príomhshuim” with the article

The plural of principal in Irish is príomhshuimeanna. Here is príomhshuim after the article (an t-alt), in the singular and the plural.

an phríomhshuim
the principal
Lenition: p becomes ph after an (feminine noun)
na príomhshuimeanna
the principals
Plural: no change after na

“Príomhshuim” in a sentence: Irish examples

Common Irish sentences using príomhshuim, the Irish word for principal.

Íocann tú ús ar an bpríomhshuim gach mí.
You pay interest on the principal every month.
Tá an phríomhshuim íoctha ar ais anois.
The principal has been paid back now.
Ní raibh an phríomhshuim ach míle euro.
The principal was only a thousand euro.
Cuireadh ús leis an bpríomhshuim.
Interest was added to the principal.
Laghdaíonn aisíocaíochtaí méid na príomhshuime.
Repayments reduce the amount of the principal.
Ríomhtar an t-ús ar phríomhshuim na hiasachta.
The interest is calculated on the principal of the loan.
Bhí príomhshuimeanna éagsúla sna hiasachtaí sin.
Those loans had different principal sums.

Other nouns in Irish

More everyday Irish nouns to learn next.

Principal in Irish: frequently asked questions

What is the Irish for principal?

The Irish for principal is príomhshuim (pronounced “PREE-uv-him”). It’s a feminine noun and the plural is príomhshuimeanna.

How do you pronounce príomhshuim in Irish?

Príomhshuim is said like “PREE-uv-him” (IPA /ˈpʲɾʲiːvˌhɪmʲ/).

What is the plural of principal in Irish?

The plural of príomhshuim is príomhshuimeanna; with the article, na príomhshuimeanna means “the principals”. The genitive plural is príomhshuimeanna, as in luach na bpríomhshuimeanna (the value of the principal sums).

Why does príomhshuim change to phríomhshuim or bpríomhshuim?

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

How does 'príomhshuim' differ from 'suim'?

'Suim' is any sum or amount, while 'príomhshuim' is specifically the principal of a loan or investment, as opposed to 'ús' (interest).

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