Where does “Dominguez” come from?

Dominguez derives from Spanish -ez, a patronymic suffix from Latin -ities, ultimately from Proto-Indo-European -h₂ via Latin -ia and Ancient Greek -ία, based on Latin Dominus meaning master or lord.

Ancestry of “Dominguez”, step by step

StepLanguageWordMeaning
1SpanishDomínguez
2SpanishDomingoDominic
3Old SpanishDomingos
4Late LatinDominicus
5LatinDominicus’s works}} of belonging to a lord master
6LatinDominusthe Lord; Lord; The Lord
7Latindomushouse, home; any building or abode; native place,...
8Proto-Italicdomoshouse, home
9Proto-Indo-Europeandṓmhome; house
10Proto-Indo-Europeandem-to build; to arrange, to put together
Every word from Proto-Indo-European dem-