English copious

← Middle English copious (inherited)

← Proto-Indo-European *h₃ep- (root)

← Latin copiosus (derived)

← Latin copia (mention)

← Latin co- (mention)

← Latin ops (mention)

← Latin -osus (mention)

→ English copiously (suffix)

→ English copiousness (suffix)

→ English lackless (link)

→ English overcopious (prefix)