Where does “-ado” come from?

-ado (Galician) comes from Galician -ádego, from Latin -aticus, from Latin -ātus, from Proto-Italic -ātos, from Proto-Indo-European -éh₂tos — Forms adjectives from nouns, indicating the possession of a thing or a quality.

Ancestry of “-ado”, step by step

StepLanguageWordMeaning
1Galician-ádegoship; forms the office of the base word
2Latin-aticusUsed to form adjectives indicating a relation to...
3Latin-ātused
4Proto-Italic-ātos
5Proto-Indo-European-éh₂tosForms adjectives from nouns, indicating the possession of a thing or a quality

Words derived from “-ado

Every word from Proto-Indo-European -éh₂tosEvery word from Latin -ātusEvery word from Latin -aticus