Where does “spanwanned” come from?

spanwanned (English) comes from Old English spannan, from Proto-Germanic spannaną — to stretch, span.

spanwanned (English): stuck astride a wall whilst attempting to climb...

Definitions

Step	Language	Word	Meaning
1	Old English	spannan	to span, clasp, fasten, attach, join, link; to...
2	Proto-Germanic	spannaną	to stretch, span

spanwanned — Etymology, Origin & Word History | Etymology Explorer