The Collaborative International Dictionary
Betiding
Betide \Be*tide"\ (b[-e]*t[imac]d"), v. t. [imp. & p. p. Betided, Obs. Betid; p. pr. & vb. n. Betiding.] [OE. bitiden; pref. bi-, be- + tiden, fr. AS. t[=i]dan, to happen, fr. t[=i]d time. See Tide.] To happen to; to befall; to come to; as, woe betide the wanderer.
What will betide the few ?
--Milton.
Wiktionary
betiding
vb. (present participle of betide English)