Spanish losa

← Proto-Celtic *plousā (derived)

← Proto-Basque *plausa (derived)

← Proto-Indo-European *pleus (derived)

← Latin lausia (derived)

← Old Norse flus (cognate)

← Celtiberian *lausia (derived)

→ Spanish enlosar (affix)

→ Spanish baldosa (mention)

→ Galician lousa (cognate)