Where does “calycin” come from?

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

calycin (English): An organic compound found in some lichens, such as Chaenotheca chrysocephala (formerly Calicium chrysocephalum)

Definitions

  1. An organic compound found in some lichens, such as Chaenotheca chrysocephala (formerly Calicium chrysocephalum)

Ancestry of “calycin”, step by step

StepLanguageWordMeaning
1English-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
2EnglishinUsed to indicate location, inclusion, or position...
3Middle EnglishinAny kind of accomodation; particularly; A home or...
4Old Englishinin; Alternative form of inn
5Proto-West Germanic*in
Every word from Proto-West Germanic *inEvery word from Old English inEvery word from Middle English in