Where does “antirat” come from?

antirat (English) comes from English rat, from Middle English raat, from Old English ræt, from Old English rætt, from Proto-Germanic rattaz, from Proto-Indo-European Hreh₃d- — to scrape.

antirat (English): Opposing rats; Describing an antibody, resident...

Definitions

  1. Opposing rats; Describing an antibody, resident...

Ancestry of “antirat”, step by step

antirat traces back through two separate lines of ancestry.

via English rat

StepLanguageWordMeaning
1EnglishratA medium-sized rodent belonging to the genus...
2Middle EnglishraatAlternative form of ratte
3Old EnglishrætAlternative form of rætt
4Old Englishrættrat
5Proto-Germanicrattazrat
6Proto-Indo-EuropeanHreh₃d-to scrape

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-Indo-European Hreh₃d- →Every word from Proto-Germanic rattaz →Every word from Old English rætt →