"at an earlier period," early 14c., from betime (c.1300, from be- + time) + adverbial genitive -s.
in good time
- In great period or time; prior to it being belated; seasonably; early.
- very quickly; soon; quickly; forth with.
(adv.) In great period or time; before it is late; seasonably; early.
- (adv.) Very quickly; soon; quickly; forth with.
He was married betimes to Elizabeth of Anjou, who had been brought up at the Hungarian court.