suffixfirst/second-declension suffix
-eus1
-eus (feminine -ea, neuter -eum)
Classical[e.ʊs]Ecclesiastical[e.us]
Meaning
- morphemesuffixderives relational adjectives from nouns, used chiefly to indicate material composition
Near-synonyms: -īnus, -us, -icus
- morphemesuffixfrom materials
argentum (“silver”) + -eus → argenteus (“made of silver”)
ferrum (“iron”) + -eus → ferreus (“made of iron”)
- morphemesuffixto form color adjectives
nix (“snow”) + -eus → niveus (“snow-white”)
purpura (“murex dye”) + -eus → purpureus (“purple”)
- morphemeraresuffixfrom other nouns
taurus (“a bull, ox”) + -eus → taureus (“made from a bull's hide; pertaining to bulls, taurine”)
Caesar + -eus → Caesareus (“pertaining to Caesar; imperial”)
Origins
From Proto-Italic *-eos, from Proto-Indo-European *-e- + *-yós. Compare with its adoption through Ancient Greek (Etymology 2).
Descendants
- Catalan-i
- English-eous
- English-ean
- French-eux
- French-éen
- Italian-eo
- Portuguese-eo
- Spanish-eo