Etymology tree Proto-Indo-European *gʷem- Proto-Indo-European *-tis Proto-Indo-European *gʷémtis Proto-Hellenic *gʷə́tis Ancient Greek βᾰ́σῐς (bắsĭs)bor. Latin basis Old French basebor. Middle English base English base ▲ Italian bassoinflu. English bass A respelling of base under the influence of Italian basso (“low”).