Proto-Indo-European *alg-

→ English Alghero (derived)

→ Catalan l'Alguer (inherited)

→ Spanish Alguer (derived)

→ Italian Alghero (inherited)

→ Latin alga (derived)

→ Old Norse æla (derived)

→ Portuguese Alghero (derived)

→ Romanian algă (mention)

→ Old Armenian աղկաղկ (inherited)