Where does “Mac Giolla Dhomhnaigh” come from?

Mac Giolla Dhomhnaigh (Irish) comes from Irish Domhnach, from Old Irish Domnach, from Latin dies Dominicus, from Latin Dominicus, from Latin Dominus, from Latin domus, from Proto-Italic domos, from Proto-Indo-European dṓm — to build; to arrange, to put together.

Ancestry of “Mac Giolla Dhomhnaigh”, step by step

Mac Giolla Dhomhnaigh traces back through two separate lines of ancestry.

via Irish Domhnach

StepLanguageWordMeaning
1IrishDomhnachSunday
2Old IrishDomnachSunday
3Latindies DominicusAlternative form of dies Dominica; dominical day,...
4LatinDominicus’s works}} of belonging to a lord master
5LatinDominusthe Lord; Lord; The Lord
6Latindomushouse, home; any building or abode; native place,...
7Proto-Italicdomoshouse, home
8Proto-Indo-Europeandṓmhome; house
9Proto-Indo-Europeandem-to build; to arrange, to put together

via Irish giolla

StepLanguageWordMeaning
1Irishgiollayouth; page, boy; gillie, attendant; manservant,...
2Middle Irishgillayouth; male child, boy; messenger, page, servant
3Old Norsegildrstout, brawny, of full worth; brawny, stout; of...
4Proto-Germanicgildizvaluable, wholesome, precious
5Proto-Indo-Europeangʰeldʰ-to repay, reward; to pay; to pay for, repay
Every word from Proto-Indo-European dem-Every word from Proto-Indo-European dṓmEvery word from Proto-Italic domos