Where does “jawfall” come from?

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

jawfall (English): trismus

Definitions

  1. trismus

Ancestry of “jawfall”, step by step

jawfall traces back through two separate lines of ancestry.

via English fall

StepLanguageWordMeaning
1Englishfall"To be moved downwards."; "To move downwards.";...
2Middle Englishfall—
3Old EnglishfeallAlternative form of fiell
4Proto-Germanicfallą—
5Proto-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 →