Catalan llengua

← Proto-Indo-European *dn̥ǵʰwéh₂s (inherited)

← Old Latin dingua (inherited)

← Proto-Italic *denɣwā (inherited)

← Latin lingua (inherited)

← Old Occitan lengua (inherited)

→ Catalan protollengua (prefix)

→ Catalan mallerenga (mention)

→ German Zunge (cognate)

→ Portuguese língua (cognate)