-dor etymology

Spanish word -dor comes from Latin -ator, Spanish -dor

Detailed word origin of -dor

Dictionary entryLanguageDefinition
-ator Latin (lat) Enlarged form of -tor, used to form agent nouns; -ator, -er.
-dor Spanish (spa) Forms derivatives of other nouns.. Forms nouns (usually agent nouns) and adjectives from verbs. The vowel before the suffix depends on the conjugation of the verb to which the suffix is added: -ar verbs use -ador (-adora), -er verbs use -edor (-edora), and -ir verbs use -idor (-idora).