Where does “-eo” come from?

-eo (Italian) comes from Latin -eus, from Ancient Greek -εῖος, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

-eo (Italian): -en, -eous, -ean; -an, -ean

Definitions

  1. -en, -eous, -ean; -an, -ean

Ancestry of “-eo”, step by step

StepLanguageWordMeaning
1Latin-eusargentum + API → argenteus; ferrum + API →...
2Ancient Greek-εῖοςForms adjectives, usually with a meaning of "of"...
3Proto-Indo-European-iHwós—
4Proto-Indo-European-wósCreates adjectives from verb stems

Words derived from “-eo”

Every word from Proto-Indo-European -wós →Every word from Latin -eus →Every word from Ancient Greek -εῖος →