Where does “nonslack” come from?

nonslack (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.

nonslack (English): Not slack

Definitions

  1. Not slack

Ancestry of “nonslack”, step by step

nonslack 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 slack

StepLanguageWordMeaning
1EnglishslackThe part of anything that hangs loose, having no...
2Middle Englishslak—
3Old Englishslæclazy
4Proto-Germanicslakazslack, lax
5Proto-Indo-European(s)leh₁g-weak, feeble; weak, faint
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →