Where does “unobservability” come from?

unobservability (English) comes from English observability, 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.

unobservability (English): The state of being unobservable

Definitions

  1. The state of being unobservable

Ancestry of “unobservability”, step by step

StepLanguageWordMeaning
1EnglishobservabilityThe state of being observable; A measure of the...
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
Every word from Proto-Indo-European gʷelH-