-óir

Etymology
From, from.

Suffix

 * 1) -er;

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:
 * , pp.
 * , pp.
 * , pp.