Where does “spendthriftism” come from?

spendthriftism (English) comes from English spendthrift, 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 — to stretch.

spendthriftism (English): The condition of being a spendthrift; profligacy

Definitions

  1. The condition of being a spendthrift; profligacy

Ancestry of “spendthriftism”, step by step

spendthriftism traces back through two separate lines of ancestry.

via English spendthrift

StepLanguageWordMeaning
1EnglishspendthriftImprovident, profligate, or wasteful; Extravagant...
2EnglishspendTo pay out; To bestow; to employ; often with "on"...
3Middle Englishspendento spend
4Old Englishspendanto spend
5Proto-West Germanicspendōnto spend
6Latinexpendōto weigh
7Latinpendōto weigh, weigh out
8Proto-Italicpendōhang, put in a hanging position
9Proto-Indo-European(s)péndeti
10Proto-Indo-European(s)pend-to stretch

via English ism

StepLanguageWordMeaning
1EnglishismAn ideology, system of thought, or practice that...
2English-ismUsed to form nouns of action or process or result...
3Latin-ismus-ism
4Ancient Greek-ισμόςForms abstract nouns
5Ancient Greek-μόςForms abstract nouns
6Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Proto-Indo-European (s)pend-