Corn seller wants a dear year, buyer wants a cheap year. Widdeershins remindes me of
German "wieder" which can mean "against" but I can't figure out the "shins".

The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.

widdershins


SYLLABICATION:
wid·der·shins
PRONUNCIATION:
wdr-shnz
VARIANT FORMS:
or with·er·shins (wth-)
ADVERB:
In a contrary or counterclockwise direction: “The coracle whirled round,
clockwise, then widdershins” (Anthony Bailey).
ETYMOLOGY:
Middle Low German weddersinnes, from Middle High German widersinnes :
wider, back (from Old High German widar; see wi- in Appendix I) + sinnes,
in the direction of (from sin, direction, from Old High German; see sent- in
Appendix I).