Where does “mistaken” come from?

mistaken (Middle English) comes from Old Norse mistaka — to take in error, to miscarry.

Ancestry of “mistaken”, step by step

Step	Language	Word	Meaning
1	Old Norse	mistaka	to take in error, to miscarry

Words derived from “mistaken”

Every word from Old Norse mistaka →

mistaken — Etymology, Origin & Word History | Etymology Explorer