What is "misthink"

Misthink \Mis*think"\, v. i. [See Think.] To think wrongly. [Obs.] ``Adam misthought of her.''
--Milton.

Misthink \Mis*think"\, v. t. To have erroneous thoughts or judgment of; to think ill of. [Obs.]
--Shak.

Old English misðyncan "to be mistaken;" see mis- (1) + think (v.). From early 13c. as "to have sinful thoughts;" from 1590s as "to think ill of."

vb. 1 (context obsolete English) To think wrongly. 2 (context obsolete English) To have sinful thoughts.