The Collaborative International Dictionary of English v.0.48:
Full \Full\, v. t. [imp. & p. p. Fulled; p. pr. & vb. n.
Fulling.] [OE. fullen, OF. fuler, fouler, F. fouler, LL.
fullare, fr. L. fullo fuller, cloth fuller, cf. Gr. ?
shining, white, AS. fullian to whiten as a fuller, to
baptize, fullere a fuller. Cf. Defile to foul, Foil to
frustrate, Fuller. n. ]
To thicken by moistening, heating, and pressing, as cloth; to
mill; to make compact; to scour, cleanse, and thicken in a
mill.
[1913 Webster]