Where does “-co” come from?

-co (Latin) comes from Latin -cus, from Proto-Italic -kos, from Proto-Indo-European -ḱos — -y, -ic.

-co (Latin): dative masculine singular of -cus; dative neuter...

Definitions

  1. dative masculine singular of -cus; dative neuter...

Ancestry of “-co”, step by step

StepLanguageWordMeaning
1Latin-cussuffixed to nouns, forms adjectives; This suffix...
2Proto-Italic-kos—
3Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European -ḱos →Every word from Latin -cus →Every word from Proto-Italic -kos →