Where does “inobscurable” come from?

inobscurable (English) comes from English obscurable, from English obscure, from Middle English obscure, from Old French obscur, from Latin obscūrus, from Latin ob-, from Latin obolus, from Ancient Greek ὀβολός — to throw, reach, pierce; to hit by throwing.

Ancestry of “inobscurable”, step by step

StepLanguageWordMeaning
1EnglishobscurableWhich can be obscured
2EnglishobscureDark, faint or indistinct; Hidden, out of sight...
3Middle Englishobscure
4Old Frenchobscur
5Latinobscūrusdark, dusky, shadowy
6Latinob-towards; against
7Latinobolusobolus (Greek coin)
8Ancient Greekὀβολόςobol, obolus, used at Athens as both a weight and...
9Ancient Greekὀβελόςa spit, rod; a horizontal line
10Ancient Greekβέλοςmissile, arrow, dart; weapon; something quickly...
11Proto-Indo-EuropeangʷélHos
12Proto-Indo-EuropeangʷelH-to throw, reach, pierce; to hit by throwing
Every word from Proto-Indo-European gʷelH-Every word from Latin ob-Every word from Latin obscūrus