Where does “unspend” come from?

unspend (English) comes from English spend, from Middle English spenden, from Old English spendan, from Proto-West Germanic spendōn, from Latin expendō, from Latin pendō, from Proto-Italic pendō, from Proto-Indo-European (s)péndeti — to stretch.

unspend (English): To recover (money that has been spent); to undo the spending of

Definitions

  1. To recover (money that has been spent); to undo the spending of

Ancestry of “unspend”, step by step

unspend traces back through two separate lines of ancestry.

via English spend

StepLanguageWordMeaning
1EnglishspendTo pay out; To bestow; to employ; often with "on"...
2Middle Englishspendento spend
3Old Englishspendanto spend
4Proto-West Germanicspendōnto spend
5Latinexpendōto weigh
6Latinpendōto weigh, weigh out
7Proto-Italicpendōhang, put in a hanging position
8Proto-Indo-European(s)péndeti
9Proto-Indo-European(s)pend-to stretch

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European (s)pend-