Where does “hemosideroses” come from?

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

Ancestry of “hemosideroses”, step by step

hemosideroses traces back through two separate lines of ancestry.

via English hemosiderin

StepLanguageWordMeaning
1EnglishhemosiderinAn abnormal microscopic pigment, formed of...
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

via English oses

StepLanguageWordMeaning
1EnglishosesThe various sugars ending in -ose, such as sucrose, lactose, glucose and fructose
Every word from Proto-West Germanic *inEvery word from Old English inEvery word from Middle English in