Where does “overthink” come from?

overthink (English) comes from English think, from Middle English thinken, from Old English þyncan, from Proto-Germanic þunkijaną — to seem, to appear.

overthink (English): To think about; think over; To think or analyze...

Definitions

  1. To think about; think over; To think or analyze...

Ancestry of “overthink”, step by step

overthink traces back through two separate lines of ancestry.

via English think

StepLanguageWordMeaning
1EnglishthinkTo ponder, to go over in one's head; To...
2Middle EnglishthinkenTo think, ponder; to deduce, figure out; to...
3Old Englishþyncanto seem
4Proto-Germanicþunkijanąto seem, to appear

via Middle English overthenken

StepLanguageWordMeaning
1Middle Englishoverthenken
2Old Englishoferþenċanto think over; consider

Words derived from “overthink

Every word from Proto-Germanic þunkijaną