forms verbs from nouns or adjectives — forms regular first-conjugation verbs in the impersonal infinitive · forms the first-person singular infinitive of first-conjugation verbs · forms the third-person singular infinitive of first-conjugation verbs
köken: Etymology tree Proto-Italic *-āzi ▲ Latin -ereinflu. Latin -āre Old Galician-Portuguese -ar Portuguese -ar Inherited from Old Galician-Portuguese -ar, from Latin -āre, infinitive ending of first conjugation verbs.