Where does “nonobservation” come from?

nonobservation (English) comes from English observation, from French observation, from Latin observatio, 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.

nonobservation (English): Absence of observation

Definitions

  1. Absence of observation

Ancestry of “nonobservation”, step by step

nonobservation traces back through two separate lines of ancestry.

via English observation

StepLanguageWordMeaning
1EnglishobservationThe act of observing, and the fact of being...
2Frenchobservationobservation careful or controlled attention or consideration
3Latinobservatiowatching, observing; observation, attention;...
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-