Where does “nonendothermic” come from?

nonendothermic (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.

nonendothermic (English): Not endothermic

Definitions

  1. Not endothermic

Ancestry of “nonendothermic”, step by step

nonendothermic 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 endothermic

StepLanguageWordMeaning
1EnglishendothermicOf a chemical reaction that absorbs heat energy...
2Frenchendothermiqueendothermic
3Englishendo-Alternative form of end-; inner; internal, inside
4Ancient Greekὄνυξclaw, nail, hoof, talon; Anything which resembles...
5Proto-Indo-Europeanh₃nogʰ-claw, nail; nail
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn