Where does “loos” come from?

loos (Old French) comes from Latin laudes, from Latin laus, from Proto-Indo-European lēwt-, from Proto-Indo-European lēw- — to sound, resound, sing out; to leave.

Ancestry of “loos”, step by step

StepLanguageWordMeaning
1Latinlaudesnominative plural of laus; accusative plural of...
2Latinlauspraise, glory, repute; fame; approbation,...
3Proto-Indo-Europeanlēwt-—
4Proto-Indo-Europeanlēw-to sound, resound, sing out; to leave
Every word from Proto-Indo-European lēw- →Every word from Proto-Indo-European lēwt- →Every word from Latin laus →