Where does “non-integer” come from?

non-integer (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

non-integer (English): A number that is not an integer

Definitions

  1. A number that is not an integer

Ancestry of “non-integer”, step by step

non-integer traces back through two separate lines of ancestry.

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum—
6Proto-Indo-Europeanóynosone; single

via English integer

StepLanguageWordMeaning
1EnglishintegerA number that is not a fraction; an element of...
2Latinintegercomplete, whole, intact; uninjured, sound,...
3Proto-Italic*n̥tagrosuntouched
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →