Where does “аллантоин” come from?

аллантоин (Russian) comes from English allantoin, from English -ín, from English in, from Middle English in, from Old English in, from Proto-West Germanic *in.

Ancestry of “аллантоин”, step by step

StepLanguageWordMeaning
1EnglishallantoinA diureide of glyoxylic acid, used in various...
2English-ínAttached to a word (usually a verb) to denote a protest, demonstration or other type of gathering characterized by the activity denoted by the base word
3EnglishinUsed to indicate location, inclusion, or position...
4Middle EnglishinAny kind of accomodation; particularly; A home or...
5Old Englishinin; Alternative form of inn
6Proto-West Germanic*in

Words derived from “аллантоин

Every word from Proto-West Germanic *inEvery word from Old English inEvery word from Middle English in