Where does “nonobservable” come from?

nonobservable (English) comes from English observable, from English observe, from Middle French observer, from Latin observo, from Latin ob-, from Latin obolus, from Ancient Greek ὀβολός, from Ancient Greek ὀβελός — to throw, reach, pierce; to hit by throwing.

nonobservable (English): Not observable; That which is not observable

Definitions

  1. Not observable; That which is not observable

Ancestry of “nonobservable”, step by step

nonobservable traces back through two separate lines of ancestry.

via English observable

StepLanguageWordMeaning
1EnglishobservableAble to be observed; Deserving to be observed;...
2EnglishobserveTo notice or view, especially carefully or with...
3Middle Frenchobserver
4LatinobservoI observe, watch; I guard, keep watch over; I...
5Latinob-towards; against
6Latinobolusobolus (Greek coin)
7Ancient Greekὀβολόςobol, obolus, used at Athens as both a weight and...
8Ancient Greekὀβελόςa spit, rod; a horizontal line
9Ancient Greekβέλοςmissile, arrow, dart; weapon; something quickly...
10Proto-Indo-EuropeangʷélHos
11Proto-Indo-EuropeangʷelH-to throw, reach, pierce; to hit by throwing

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 gʷelH-
nonobservable — Etymology, Origin & Word History | Etymology Explorer