Where does “pointwise” come from?

pointwise (English) comes from English point, from Middle English point, from Old French point, from Latin pūnctum, from Latin punctus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

pointwise (English): Occurring or true for each point of a given set;...

Definitions

  1. Occurring or true for each point of a given set;...

Ancestry of “pointwise”, step by step

StepLanguageWordMeaning
1EnglishpointA discrete division of something; A sharp...
2Middle Englishpoint
3Old Frenchpointa sting; a prick; moment; time; dot
4Latinpūnctumpoint
5Latinpunctuspricked, punctured, pierced, having been pricked;...
6Latin-tusForms the past participle of verbs; Forms...
7Proto-Italic-tus
8Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European -tus
pointwise — Etymology, Origin & Word History | Etymology Explorer