An Etymological Dictionary of the Scottish Language / in which the words are explained in their different senses, authorized by the names of the writers by whom they are used, or the titles of the works in which they occur, and deduced from their originals

by John Jamieson

WYLFULL, adj. Willing; q. full of will.
Wyntown.

Wilfully, adj. Willingly.
Barbour.

* WILL, s. What's your will? a common Scotticism for, "What did you say?"
K. Hart.

WILL, s. Apparently, use, custom; pl. willis.
Barbour.

It may, however, signify study; A. S. will. Teut. willa, studium.

WILL, aux. v.
1. Be accustomed, make a practice of.

Still a common idiom in S.; borrowed from those whose native tongue is Gaelic.

2. It is often used for shall, S.
3. It is sometimes equivalent to must, S.

WILL, WYLL, WIL, WYL, adj.
1. Lost in error, uncertain how to proceed, S.
Wyntown.
To go wyll, to go astray, S.
Douglas.
Will of wane, at a loss for a habitation.
Barbour.

Su. G. will, Isl. vill-a, error; Isl. vill-az, to lead astray.