filch, v.² — Green’s Dictionary of Slang

filch v.²

[? OE gefylcian, to marhal troopps, etc.]

to beat, to strike.

c.1566		Harman Caveat for Common Cursetours in Viles & Furnivall (1907) 84: to fylche, to beate, to stryke.
1610		Rowlands Martin Mark-all 38: To Filch, to beate. A Filchman, a cudgell.