Italian lago

← Proto-Indo-European *lókus (inherited)

← Proto-Italic *lakus (inherited)

← Latin lacus (inherited)

← Latin laqueus (derived(it/lad))

→ French lac (cognate)

→ French lagon (mention)

→ Franco-Provençal lac (cognate)

→ Italian allagare (affix)

→ Italian laghetto (affix)

→ Italian dilagare (affix)

→ Italian lagomorfo (confix)

→ Italian lagone (suffix)

→ Italian Dallago (compound)

→ Italian Dallago (mention)

→ Italian fondolago (compound)

→ Lombard lagh (cognate)

→ Romanian lac (cognate)

→ Sardinian lagu (cognate)