Latin peior

← Proto-Indo-European *ped-yōs (inherited)

← Proto-Indo-European *ped- (mention)

← Proto-Italic *kaidjā- (mention)

← Latin pessimus (mention)

← Latin caelum#Etymology 2 (mention)

← Latin caia (mention)

← Latin pes (doublet)

← Latin pēs (mention)

→ English impair (mention)

→ English pejoration (borrowed)

→ English pejorist (mention)

→ Catalan pejoratiu (mention)

→ Catalan pitjor (inherited)

→ Galician pior (inherited)

→ Italian peggiore (inherited)

→ Italian peggiorare (inherited)

→ Latin peius (mention)

→ Latin pessimus (mention)

→ Latin peioro (affix)

→ Old Occitan pejor (mention)

→ Portuguese pior (inherited)