the mind > language > malediction > oaths > [interjection] > religious oaths (referring to God) > God's dignity or honour (5)
As an asseveration: ? = By God's dignity or honour. Obsolete.
by God's dines, by God's dignity or honour: cf. dainty, n. 8.
= by God's dines at dines, n., used in oaths and asseverations.