Where does “nontactile” come from?

nontactile (English) comes from English tactile, from Middle French tactile, from Latin tactilis, from Latin tāctus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

nontactile (English): Not tactile

Definitions

  1. Not tactile

Ancestry of “nontactile”, step by step

nontactile traces back through two separate lines of ancestry.

via English tactile

StepLanguageWordMeaning
1EnglishtactileTangible; perceptible to the sense of touch; Used...
2Middle Frenchtactile
3Latintactilistangible
4Latintāctustouched, having been touched, grasped, having been grasped
5Latin-tusForms the past participle of verbs; Forms...
6Proto-Italic-tus
7Proto-Indo-European-tusDerives action nouns from verb roots

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
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin tāctus