What is the meaning of -eo?

used to form adjectives referring to the qualities of the root noun; -en, -eous, -ean

  1. used to form adjectives from materials or substances, indicating material composition:

    used to form adjectives from materials or substances, indicating material composition:

    used to form relational adjectives from proper nouns:

    used to form adjectives and nouns expressing relation to the root noun; -an, -ean

    1. forming ethnonyms from place names:

      forming ethnonyms from place names:

      forming relational adjectives from proper nouns:

      forming relational adjectives from body parts:

      Forms stative verbs from adjectives.

      Forms causative verbs from primary (third conjugation and some fourth conjugation) verbs.

      dative/ablative masculine/neuter singular of -eus

      -eous; forms adjectives meaning resembling or having characteristics of the related term

      forms nouns from verbs suffixed with -ear, means 'action and effect'

      Source: wiktionary.org