1) Alternative spellings of ‘gist (2)’, the aphetic form of agist.
c. 1540 dyverse persones ow for Jeste of ther cattell , Otley
1597 had two whyes somered in a pasture … kepte by Thomas Proctor … taking in jeast cattell for Mr Farrer , Fountains Fell
1622 no farmor ought to Jeaste in the forrest , Pickering
1658 for kyne jestes Ł1 6s , Selby
1728 went to Chevitt … to take jaist into those grounds … and attended there every day to take care of the cattle , Otley.