Where does “fontāna” come from?

fontāna (Latin) comes from Latin fontānus, from Latin fons, from Latin fontis — genitive singular of fōns.

Ancestry of “fontāna”, step by step

Step	Language	Word	Meaning
1	Latin	fontānus	—
2	Latin	fons	a spring, a fountain; fresh water, spring water;...
3	Latin	fontis	genitive singular of fōns

fontāna — Etymology, Origin & Word History | Etymology Explorer