wisan²

[← Prot-Germ *wesan; OE wesan “to make merry”; OHG fir-wesan “to make merry, have a good time” ← Indo-Europ *u̯es-; cf Avest vāstra “pasture”; O Ir fess “food; feast”]

wisam - 1 pers, pl, pres, indicat - Luk. XV, 23
wisan - inf - Luk. XV, 24; XV, 32
wisands - pres.p.- Luk. XVI, 19

4.1.1.5. (a)

V class	infinitive	preterite singular	preterite plural	past participle
	normal grade	normal grade	lengthened grade	normal grade
i/ă	-i-	-a-	-ē-	-i-
additional element of vowel gradation for this class is any consonant, except sonant, e.g. -b-, -h-, etc.	i + b = ib	a + b = ab	ē + b = ēb	i + b = ib
to give	giban	gab (gaf)	gēbum	gibans
	i + h = aih [-ɛ-]	a + h = ah	ē + h = ēh	i + h = aih [-ɛh-]
to see	saíƕan [-ɛ-]	saƕ	sēƕum [-ē-]	saíƕans [-ɛ-]

See the complete paradigm of the conjugation of strong verbs