Where does “Rickettsia” come from?
Rickettsia (Translingual) comes from English Ricketts, from English Rickett, from English Richard, from Middle English Rycharde, from Old French Richard, from Medieval Latin Richardus, from Frankish Rīkahard, from Proto-Germanic Rīkaharduz — to straighten, to right oneself; right; just.
Ancestry of “Rickettsia”, step by step
Words derived from “Rickettsia”