Etymology Explorer › English

Where does “erstwhile” come from?

Erstwhile derives from Old English hwīl and ǣresta, tracing through Proto-Germanic airist and ultimately to Proto-Indo-European roots kʷyeh₁-, -istHos, -tós, and -yoss meaning superlative degree.

erstwhile (English): Formerly; in the past; Former, previous;...

Definitions

  1. Formerly; in the past; Former, previous;...

Ancestry of “erstwhile”, step by step

StepLanguageWordMeaning
1EnglishwhileAn uncertain duration of time, a period of time;...
2EnglishworthwhileGood and important enough to spend time, effort,...
3EnglishworthHaving a value of; proper to be exchanged for;...
4Middle Englishworthto become
5Old Englishweorþworth, deserving; honoured, esteemed; worth,...
6Proto-Germanicwerþazworthy, valuable
7Proto-Indo-Europeanwert-to turn, to rotate
8Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European wer- →