-óir

See also: oir, OIr, oír, óir, óír, òir, oïr, and -oir

Irish

Alternative forms

• -eoir (slender form)

Etymology

From Old Irish, from Latin -or.

Suffix

-óir m

1. -er; suffix appended to words to create an agent noun, indicating a person who does (or a thing that does) something.

   ‎bád (“boat”) + ‎-óir → ‎bádóir (“boatman”)

   ‎Béarla (“English”) + ‎-óir → ‎Béarlóir (“Anglophone, English-speaker”)

   ‎focal (“word”) + ‎-óir → ‎foclóir (“dictionary”)

   ‎loisc (“burn, scorch”) + ‎-óir → ‎loisceoir (“incinerator”)

Usage notes

• The form is -eoir when the stem ends in a slender consonant.
• All nouns in -óir are masculine nouns of the third declension;
• When attaching to verbs, uses the participle form as the stem:

  cuidigh (“help”), pp. ‎cuidithe + ‎-óir → ‎cuiditheoir (“helper”)

  tiomsaigh (“collect, compile”), pp. ‎tiomsaithe + ‎-óir → ‎tiomsaitheoir (“collector, compiler”)

  tuismigh (“procreate”), pp. ‎tuismithe + ‎-óir → ‎tuismitheoir (“parent”)

Declension

Declension of -óir

Third declension

Bare forms: Case Singular Plural Nominative -óir -óirí Vocative a -óir a -óirí Genitive -óra -óirí Dative -óir -óirí

Forms with the definite article: Case Singular Plural Nominative an -óir na -óirí Genitive an -óra na -óirí Dative leis an -óir don -óir leis na -óirí

Derived terms

Irish terms suffixed with -óir