Where does “unjailable” come from?

unjailable (English) comes from English jailable, from English jail, from Middle English gayole, from Old French gaiole, from Medieval Latin gabiola, from Late Latin caveola, from Latin cavea, from Latin cavus — to swell; to be strong.

unjailable (English): Unable to be jailed

Definitions

  1. Unable to be jailed

Ancestry of “unjailable”, step by step

unjailable traces back through two separate lines of ancestry.

via English jailable

StepLanguageWordMeaning
1EnglishjailableFor which one may be jailed
2EnglishjailA place or institution for the confinement of...
3Middle Englishgayolejail, prison place for [[confine
4Old Frenchgaioleprison; gaol; jail
5Medieval Latingabiola
6Late Latincaveola
7Latincaveahollow, cavity; cage, den, enclosure, stall,...
8Latincavushollow, concave; excavated, channeled;...
9Proto-Italickawos
10Proto-Indo-Europeanḱowh₁óshollow
11Proto-Indo-Europeanḱewh₁-to swell; to be strong

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European ḱewh₁-