Where does “étimo” come from?

étimo (Portuguese) comes from Latin etymon, from Ancient Greek ἔτυμον, from Ancient Greek ἔτυμος, from Ancient Greek ἐτεός, from Proto-Indo-European set- — stable, true.

étimo (Portuguese): etymon

Definitions

etymon

Ancestry of “étimo”, step by step

Step	Language	Word	Meaning
1	Latin	etymon	etymon
2	Ancient Greek	ἔτυμον	the true sense of a word according to its...
3	Ancient Greek	ἔτυμος	true, real, sure
4	Ancient Greek	ἐτεός	in accordance with reality or one's feelings:...
5	Proto-Indo-European	set-	stable, true

Every word from Proto-Indo-European set- →Every word from Ancient Greek ἐτεός →Every word from Ancient Greek ἔτυμος →