Where does “nonupgradable” come from?

nonupgradable (English) comes from English upgradable, from English upgrade, from English up-, from Middle English up-, from Old English ūp-, from Old English ūp, from Proto-Germanic upp, from Proto-Germanic ub.

nonupgradable (English): Alternative spelling of nonupgradeable

Definitions

  1. Alternative spelling of nonupgradeable

Ancestry of “nonupgradable”, step by step

nonupgradable traces back through two separate lines of ancestry.

via English upgradable

StepLanguageWordMeaning
1EnglishupgradableHaving the capacity to undergo an upgrade; A...
2EnglishupgradeAn upward grade or slope; An improved component...
3Englishup-Used to indicate increase; Used to indicate...
4Middle Englishup-
5Old Englishūp-up-
6Old Englishūpup, from above
7Proto-Germanicuppup, upwards
8Proto-Germanicubunder
9Proto-Indo-Europeanupóunder, below
10Proto-Indo-Europeanh₃ewp-

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 h₃ewp-