Where does “lactoser” come from?

lactoser (Romanian) comes from French lactosérum, from French sérum, from Latin Serum, from Proto-Indo-European sēr-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

lactoser (Romanian): whey

Definitions

  1. whey

Ancestry of “lactoser”, step by step

StepLanguageWordMeaning
1Frenchlactosérumwhey
2Frenchsérumserum
3LatinSerumwhey
4Proto-Indo-Europeansēr-to flow
5Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together
Every word from Proto-Indo-European ser- →Every word from Proto-Indo-European sēr- →Every word from Latin Serum →