Where does “jawn” come from?

jawn (English) comes from English joint, from Middle English upon, from Middle English up-, from Old English ūp-, from Old English ūp, from Proto-Germanic upp, from Proto-Germanic ub, from Proto-Indo-European upó.

jawn (English): Obsolete form of yawn; Something; any object,...

Definitions

Obsolete form of yawn; Something; any object,...

Ancestry of “jawn”, step by step

Step	Language	Word	Meaning
1	English	joint	Done by two or more people or organisations...
2	Middle English	upon	upon
3	Middle English	up-	—
4	Old English	ūp-	up-
5	Old English	ūp	up, from above
6	Proto-Germanic	upp	up, upwards
7	Proto-Germanic	ub	under
8	Proto-Indo-European	upó	under, below
9	Proto-Indo-European	h₃ewp-	—

Every word from Proto-Indo-European h₃ewp- →