Where does “Dominic” come from?

Dominic comes from Late Latin Dominicus, derived from Latin Dominus, which came from Latin Dominicam.

Ancestry of “Dominic”, step by step

Step	Language	Word	Meaning
1	Latin	Dominicus	—
2	Latin	Dominus	the Lord; Lord; The Lord
3	Latin	domus	house, home; any building or abode; native place,...
4	Proto-Italic	domos	house, home
5	Proto-Indo-European	dṓm	home; house
6	Proto-Indo-European	dem-	to build; to arrange, to put together