Where does “pyrroloindole” come from?

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

pyrroloindole (English): A tricyclic aromatic heterocycle composed of a...

Definitions

A tricyclic aromatic heterocycle composed of a...

Ancestry of “pyrroloindole”, step by step

Step	Language	Word	Meaning
1	English	indole	An organic compound, CHN, found in coal tar, and...
2	Latin	oleum	olive oil; the palaestra
3	Ancient Greek	ἔλαιον	olive oil, commonly used as an anointing oil; any...
4	Ancient Greek	ἐλαία	olive tree; olive; naevus
5	Proto-Hellenic	elaíwā	—
6	Proto-Indo-European	loiwom	—

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