Latin word oleum comes from Proto-Indo-European *loiwom, Proto-Indo-European *loiu̯om, Proto-Hellenic *élaiwon

Detailed word origin of oleum

Dictionary entry	Language	Definition
*loiwom	Proto-Indo-European (ine-pro)
*loiu̯om	Proto-Indo-European (ine-pro)
*élaiwon	Proto-Hellenic (grk-pro)
ἐλαία	Ancient Greek (to 1453) (grc)
ἔλαιον	Ancient Greek (to 1453) (grc)
oleum	Latin (lat)	Olive oil. The palaestra.

Words with the same origin as oleum