Etymograph > Indo-European > Proto-Germanic > Dictionary > *skulan-

V

shall, to be obliged to

Source: Kroonen 2013:450, Ringe 2017:291
Words originating from this one
OE sċulan "be obliged" (skulan- > skolan > sċolan) through pgmc-to-oe
(source: Kroonen 2013:450)