Where does “inobtainable” come from?

inobtainable (English) comes from English obtainable, from English obtain, from Middle English obteinen, from Middle French obtenir, from Old French obtenir, from Latin obtineo, from Latin ob-, from Latin obolus — to throw, reach, pierce; to hit by throwing.

inobtainable (English): Not able to be obtained

Definitions

  1. Not able to be obtained

Ancestry of “inobtainable”, step by step

inobtainable traces back through two separate lines of ancestry.

via English obtainable

StepLanguageWordMeaning
1EnglishobtainableAble to be obtained
2EnglishobtainTo get hold of; to gain possession of, to...
3Middle Englishobteinen
4Middle Frenchobtenirto obtain
5Old Frenchobtenirto obtain
6LatinobtineoI have, occupy, possess, hold; I preserve, keep,...
7Latinob-towards; against
8Latinobolusobolus (Greek coin)
9Ancient Greekὀβολόςobol, obolus, used at Athens as both a weight and...
10Ancient Greekὀβελόςa spit, rod; a horizontal line
11Ancient Greekβέλοςmissile, arrow, dart; weapon; something quickly...
12Proto-Indo-EuropeangʷélHos
13Proto-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