Where does “nyrsys” come from?

nyrsys (Welsh) comes from Welsh nyrs, from English nurse, from Middle English norice, from Old French norrice, from Latin nūtrīcia, from Latin nūtrīcius, from Latin nūtrīx, from Latin nūtriō — to swim; to float.

Ancestry of “nyrsys”, step by step

StepLanguageWordMeaning
1Welshnyrsnurse
2EnglishnurseA wet nurse; A person who takes care of other...
3Middle EnglishnoriceA woman employed to take care of one's children...
4Old Frenchnorricea wet nurse
5Latinnūtrīcianurse
6Latinnūtrīciusthat suckles or nurses
7Latinnūtrīxa child's nurse; wet nurse; milk mother
8Latinnūtriōto suckle, breastfeed, nurse
9Proto-Italicsnoutrjō
10Proto-Indo-Europeansnew-tr-ih₂female nurser
11Proto-Indo-European(s)neh₂-to swim; to float
Every word from Proto-Indo-European (s)neh₂-