Where does “jawfallen” come from?

jawfallen (English) comes from English fallen, from English fall, from Middle English fall, from Old English feall, from Proto-Germanic fallą, from Proto-Indo-European (s)pōl- — to fall.

jawfallen (English): Dejected, dispirited; Having a "fallen" or locked...

Definitions

  1. Dejected, dispirited; Having a "fallen" or locked...

Ancestry of “jawfallen”, step by step

jawfallen traces back through two separate lines of ancestry.

via English fallen

StepLanguageWordMeaning
1Englishfallenpast participle of fall; Having dropped by the...
2Englishfall"To be moved downwards."; "To move downwards.";...
3Middle Englishfall—
4Old EnglishfeallAlternative form of fiell
5Proto-Germanicfallą—
6Proto-Indo-European(s)pōl-to fall

via English Jaw

StepLanguageWordMeaning
1EnglishJawOne of the bones, usually bearing teeth, which form the framework of the mouth
2Middle Englishjowejaw, jawbone
3Old Frenchjoecheek
4Vulgar Latin*ga(v)ota—
Every word from Proto-Indo-European (s)pōl- →Every word from Proto-Germanic fallą →Every word from Old English feall →