Page 434: 'enployed' corrected to 'employed': "known to nearly all pottery-making peoples—were frequently employed."
He retired, and ployed into brigade columns by regiments, immediately beyond the crest of Fairview hill.
1722, "anything with which one amuses oneself," Scottish and northern England dialect, possibly a shortened form of employ or deploy. Popularized in the sense "move or gambit made to gain advantage" by British humorist Stephen Potter (1900-1969).
A device or stratagem; a move, esp one designed to disconcert an opponent while keeping one's position; a shrewd maneuver
[1722+; apparently fr Scots dialect; popularized by the late British humorist Stephen Potter]