Where does “inoppugnable” come from?

inoppugnable (English) comes from English oppugnable, from English oppugn, from Middle French oppugner, from Latin oppugno, from Latin ob-, from Latin obolus, from Ancient Greek ὀβολός, from Ancient Greek ὀβελός — to throw, reach, pierce; to hit by throwing.

inoppugnable (English): Indisputable, incontestable, unquestionable;...

Definitions

  1. Indisputable, incontestable, unquestionable;...

Ancestry of “inoppugnable”, step by step

inoppugnable traces back through two separate lines of ancestry.

via English oppugnable

StepLanguageWordMeaning
1EnglishoppugnableDisputable, contestable, refutable, capable of...
2EnglishoppugnTo contradict or controvert; to oppose; to...
3Middle Frenchoppugner
4LatinoppugnoI attack, assault; I storm, besiege
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 in

StepLanguageWordMeaning
1EnglishinUsed to indicate location, inclusion, or position...
2Middle EnglishinAny kind of accomodation; particularly; A home or...
3Old Englishinin; Alternative form of inn
4Proto-West Germanic*in
Every word from Proto-Indo-European gʷelH-Every word from Latin ob-Every word from Proto-Indo-European gʷélHos
inoppugnable — Etymology, Origin & Word History | Etymology Explorer