Where does “cosmoline” come from?

cosmoline (English) comes from Latin oleum, from Ancient Greek ἔλαιον, from Ancient Greek ἐλαία, from Proto-Hellenic elaíwā, from Proto-Indo-European loiwom.

cosmoline (English): A substance obtained from the residues of the...

Definitions

A substance obtained from the residues of the...

Ancestry of “cosmoline”, step by step

Step	Language	Word	Meaning
1	Latin	oleum	olive oil; the palaestra
2	Ancient Greek	ἔλαιον	olive oil, commonly used as an anointing oil; any...
3	Ancient Greek	ἐλαία	olive tree; olive; naevus
4	Proto-Hellenic	elaíwā	—
5	Proto-Indo-European	loiwom	—

Every word from Proto-Indo-European loiwom →Every word from Proto-Hellenic elaíwā →Every word from Ancient Greek ἐλαία →