Where does “-o” come from?

-o (Italian) comes from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

-o (Italian): Used with a stem to form a masculine singular...

Definitions

  1. Used with a stem to form a masculine singular...

Ancestry of “-o”, step by step

StepLanguageWordMeaning
1Latin-ōsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
2Proto-Indo-European-ōDerives nouns from roots

Words derived from “-o”

Every word from Proto-Indo-European -ō →Every word from Latin -ō →