English complain

← Middle English complaynen (inherited)

← Old French complaindre (derived)

← Latin com- (derived)

← Latin plangere (mention)

→ English complainer (suffix)

→ English complainest (suffix)

→ English complaineth (suffix)

→ English complainable (suffix)

→ English complainee (suffix)

→ English complainy (suffix)

→ English can't complain (mention)

→ Italian compiangere (cognate)

→ Norwegian Bokmål klage (link)