Where does “telltale” come from?

Telltale comes from English tell, from Arabic تَلّ, from Old English tellan, from Proto-Germanic taljaną, ultimately from Proto-Indo-European del-.

telltale (English): One who divulges private information with intent...

Definitions

  1. One who divulges private information with intent...

Ancestry of “telltale”, step by step

telltale traces back through two separate lines of ancestry.

via English tell

StepLanguageWordMeaning
1EnglishtellTo count, reckon, or enumerate; To narrate; To...
2Middle Englishtellento count; to tell
3Old Englishtellanto count, calculate; to tell, narrate, recount;...
4Proto-West Germanictalljanto count, to enumerate; to recount, to tell
5Proto-Germanictaljanąto enumerate, count; to account, recount, tell
6Proto-Germanictaląspeech; number
7Proto-Indo-Europeandol-reckoning, calculation, fraud; calculation, fraud
8Proto-Indo-Europeandel-to aim, calculate, adjust, count; to reckon,...

via English tale

StepLanguageWordMeaning
1EnglishtaleAn account of an asserted fact or circumstance; a...
2Middle Englishtalepersonal narrative, account
3Old Englishtaluaccount, reckoning; tale; narration
4Proto-West Germanic*talunarration, report
5Proto-Germanictalōnarration, report; assessment, judgment;...
Every word from Proto-Indo-European del-