Where does “antihamster” come from?

antihamster (English) comes from English hamster, from German hamster, from Middle High German hamster, from Old High German hamustro, from Old East Slavic хомѣсторъ, from Proto-Slavic *xoměstorъ — hamster.

antihamster (English): Reacting with the immunoglobins found in hamsters

Definitions

  1. Reacting with the immunoglobins found in hamsters

Ancestry of “antihamster”, step by step

antihamster traces back through two separate lines of ancestry.

via English hamster

StepLanguageWordMeaning
1EnglishhamsterAny of various Old-World rodent species belonging...
2Germanhamstersingular imperative of hamstern
3Middle High Germanhamsterhamster
4Old High Germanhamustrohamster
5Old East Slavicхомѣсторъhamster
6Proto-Slavic*xoměstorъhamster

via English anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite
Every word from Proto-Slavic *xoměstorъ →Every word from Old East Slavic хомѣсторъ →Every word from Old High German hamustro →