Where does “nonchordate” come from?

nonchordate (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.

nonchordate (English): Not chordate

Definitions

  1. Not chordate

Ancestry of “nonchordate”, step by step

nonchordate 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 chordate

StepLanguageWordMeaning
1EnglishchordateA member of the phylum Chordata; numerous animals...
2TranslingualChordataChordates; animals having a notochord at some stage of their development, defined as either of
3Latinchordacord, string; tripe, intestine; catgut
4Ancient Greekχορδήguts, intestines; string made of gut; string,...
5Proto-Indo-European*ǵʰerH-bowels, intestines
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn