Where does “unobservableness” come from?

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

unobservableness (English): Quality of being unobservable

Definitions

  1. Quality of being unobservable

Ancestry of “unobservableness”, step by step

unobservableness traces back through two separate lines of ancestry.

via English unobservable

StepLanguageWordMeaning
1EnglishunobservableThat cannot be observed; Something that cannot be...
2EnglishobservableAble to be observed; Deserving to be observed;...
3EnglishobserveTo notice or view, especially carefully or with...
4Middle Frenchobserver
5LatinobservoI observe, watch; I guard, keep watch over; I...
6Latinob-towards; against
7Latinobolusobolus (Greek coin)
8Ancient Greekὀβολόςobol, obolus, used at Athens as both a weight and...
9Ancient Greekὀβελόςa spit, rod; a horizontal line
10Ancient Greekβέλοςmissile, arrow, dart; weapon; something quickly...
11Proto-Indo-EuropeangʷélHos
12Proto-Indo-EuropeangʷelH-to throw, reach, pierce; to hit by throwing

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European gʷelH-Every word from Latin ob-Every word from Latin observo