What is "to seek upon"

Seek \Seek\, v. i. To make search or inquiry; to endeavor to make discovery.

Seek ye out of the book of the Lord, and read.
--Isa. xxxiv. 16.

To seek, needing to seek or search; hence, unprepared. ``Unpracticed, unprepared, and still to seek.''
--Milton.

To seek after, to make pursuit of; to attempt to find or take.

To seek for, to endeavor to find.

To seek to, to apply to; to resort to; to court. [Obs.] ``All the earth sought to Solomon, to hear his wisdom.''
--1 Kings x. 24.

To seek upon, to make strict inquiry after; to follow up; to persecute. [Obs.]

To seek Upon a man and do his soul unrest.
--Chaucer.