On-gemang

According to the Old English Dictionary:

on-gemang

I. add: -- Gif hié mon ongemang ðǽre ðreátunga fét mid sumere heringe, Past. 303, 1. Þá ongemang ðyssum (then while this was going on) beheóld heó hine swýðe georne, Hml. S. 30, 345 : 33, 88. I a. with acc. :-- Hí beóð ongemang mægenu tó tellanne sunt inter uirtutes conputanda, Chrd. 110, ll. II. add :-- Færeð forst ongemang, Gen. 802. Ongemang interim, Angl. xiii. 393, 400: 405, 569: 408, 613. II a. with hér, þǽr, perhaps forming compounds. v hér-ongemang. on-gemang