Where does “interobserver” come from?

interobserver (English) comes from English observer, 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.

interobserver (English): Between observers

Definitions

  1. Between observers

Ancestry of “interobserver”, step by step

interobserver traces back through two separate lines of ancestry.

via English observer

StepLanguageWordMeaning
1EnglishobserverOne who makes observations, monitors or takes...
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 inter

StepLanguageWordMeaning
1EnglishinterTo bury in a grave; To confine, as in a prison
2Middle Englishenteren
3Frenchentrerto enter
4Middle Frenchentrerto enter
5Old Frenchentrerto enter
6Latinintrōto enter, go into, come in, get in, penetrate
7Latinintrawithin; inside; during; less than
8Latininterus
9Proto-Indo-Europeanh₁énterosinside, within
10Proto-Indo-European-terosContrastive or oppositional adjectival suffix
Every word from Proto-Indo-European gʷelH-Every word from Latin ob-Every word from Latin observo