Where does “jailbird” come from?

jailbird (English) comes 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, from Proto-Italic kawos — to swell; to be strong.

jailbird (English): A prisoner or an ex-prisoner

Definitions

  1. A prisoner or an ex-prisoner

Ancestry of “jailbird”, step by step

jailbird traces back through two separate lines of ancestry.

via English jail

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

via English bird

StepLanguageWordMeaning
1EnglishbirdA member of the class of animals Aves in the...
2Middle Englishbrida young bird, a bird in general; Alternative form...
3Old Englishbriddyoung bird, chick; chicken
Every word from Proto-Indo-European ḱewh₁-