What is the meaning of -ea?

A suffix for making adjectives from some nouns and verbs.

having the color of

inflection of -eus:

1. nominative/ablative/vocative feminine singular
2. nominative/accusative/vocative neuter plural

nominative/ablative/vocative feminine singular

nominative/accusative/vocative neuter plural

A suffix forming infinitives of many verbs.

Used to form the feminine diminutive of a word

female equivalent of -eo

mid vowel variant of -ia

Added to masculine nouns to denote a diminutive form.

Source: wiktionary.org