Where does “serrit” come from?

serrit (Old French) comes from Latin seresco, from Latin Serum, from Proto-Indo-European sēr-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

Ancestry of “serrit”, step by step

StepLanguageWordMeaning
1LatinserescoI become dry, dry off; I turn into whey
2LatinSerumwhey
3Proto-Indo-Europeansēr-to flow
4Proto-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 →