-eus

From French -eux, from Latin -ōsus.

• IPA^(key): /øːs/

• Audio:

  (file)

-eus

1. suffix used to form adjectives

   ambitie → ambitieus

From Proto-Italic *-eos, from Proto-Indo-European *-e- +‎ *-yós. Compare with its adoption through Ancient Greek (Etymology 2).

• (Classical Latin) IPA^(key): [e.ʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [e.us] (stressed on the antepenult)

-eus (feminine -ea, neuter -eum); first/second-declension suffix

1. derives relational adjectives from nouns, used chiefly to indicate material composition

   Near-synonyms: -īnus, -us, -icus

   1. (chiefly) from materials:

      ‎argentum (“silver”) + ‎-eus → ‎argenteus (“made of silver”)

      ‎ferrum (“iron”) + ‎-eus → ‎ferreus (“made of iron”)

      ‎marmor (“marble”) + ‎-eus → ‎marmoreus (“made of marble”)

      ‎pīnus (“pine tree”) + ‎-eus → ‎pīneus (“made of pine”)

   2. (rare) from 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”)

First/second-declension adjective.

• -āceus
• -āneus
• -uleus

• Catalan: -eu
• → English: -eous
• Italian: -eo
• Middle French: -é
  • French: -é
• Portuguese: -eu
• Spanish: -eo

• From adjectives ending in Ancient Greek -(ε)ιος (-(e)ios), compare -ius.
• From Ancient Greek -εῖος / -ειος (-eîos), also from Proto-Indo-European *-e- +‎ *-yós. Compare with its inherited form (Etymology 1).
• From Ancient Greek -εῖος (-eîos), from Proto-Indo-European *-iH- +‎ *-wós. Compare with its inherited form -īvus.

• (Classical Latin) IPA^(key): [ˈeː.ʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈɛː.us]

-ēus (feminine -ēa, neuter -ēum); first/second-declension suffix

1. ending found in adopted Greek adjectives and substantives, surviving thus or as -īvus

First/second-declension adjective.

• Catalan: -eu
• ⇒ English: -ean
• ⇒ French: -éen
• Italian: -eo
• Portuguese: -eu
• Spanish: -eo

Borrowed from Ancient Greek -εύς (-eús).

• (Classical Latin) IPA^(key): [ɛu̯s]
• (modern Italianate Ecclesiastical) IPA^(key): [eu̯s]

-eus m (genitive -eī or -eos); second declension

1. ending found in adopted Greek male names

   Nereus

   Odysseus

   Perseus

Second-declension noun.

• Catalan: -eu
• → English: -eus
• Italian: -eo
• Middle French: -ee m
  • French: -ée m
• Portuguese: -eu
• Spanish: -eo

• “-eus” on page 628/3 of the Oxford Latin Dictionary (1st ed., 1968–82)

-eus

1. alternative form of -us