Where does “fonera” come from?

fonera (Catalan) comes from Catalan fons, from Latin fundus, from Proto-Indo-European bʰudʰmḗn, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

fonera (Catalan): a depression or hollow in the sea floor

Definitions

a depression or hollow in the sea floor

Ancestry of “fonera”, step by step

Step	Language	Word	Meaning
1	Catalan	fons	bottom
2	Latin	fundus	bottom; farm; piece of land; estate; ground
3	Proto-Indo-European	bʰudʰmḗn	bottom
4	Proto-Indo-European	dʰewbʰ-	deep
5	Proto-Indo-European	dʰewh₂-	smoke; mist, haze

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