Where does “ondo” come from?

ondo (Basque) comes from Spanish hondo, from Old Spanish fondo, from Latin fundus, from Proto-Indo-European bʰudʰmḗn, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

ondo (Basque): side, space beside; bottom, space below; tree,...

Definitions

side, space beside; bottom, space below; tree,...

Ancestry of “ondo”, step by step

ondo traces back through two separate lines of ancestry.

via Spanish hondo

Step	Language	Word	Meaning
1	Spanish	hondo	deep; profound; deeply
2	Old Spanish	fondo	—
3	Latin	fundus	bottom; farm; piece of land; estate; ground
4	Proto-Indo-European	bʰudʰmḗn	bottom
5	Proto-Indo-European	dʰewbʰ-	deep
6	Proto-Indo-European	dʰewh₂-	smoke; mist, haze

via Basque on

Step	Language	Word	Meaning
1	Basque	on	good; useful, convenient
2	Proto-Basque	boń	good

Words derived from “ondo”

Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Indo-European dʰewbʰ- →Every word from Proto-Indo-European bʰudʰmḗn →