Where does “cegueira” come from?

cegueira (Portuguese) comes from Portuguese -eira, from Old Portuguese -eira, from Latin -āria, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

cegueira (Portuguese): blindness

Definitions

  1. blindness

Ancestry of “cegueira”, step by step

StepLanguageWordMeaning
1Portuguese-eirafemale equivalent of -eiro; feminine of -eiro
2Old Portuguese-eira—
3Latin-āriaused to form feminine counterparts of masculine agent nouns in
4Latin-āriuser
5Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)
Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Latin -āria →