Twi-wintre

According to the Old English Dictionary:

-winter;

twi-wintre

adj. Of two years :-- Twiwintre biennis, Wrt. Voc. ii. 126, 11: binus, i. biennius, 126, 23. Twywintre biennis, bimus, Ælfc. Gr. 49; Zup. 287, 13, 18. Twiwinter bimus vel biennis vel bimulus, Wrt. Voc. i. 21, 58. Fram twywintrum cilde a bimatu, Mt. Kmbl. 2, 16: Homl. Th. i. 80, 16: 82, 11. Fram twiwintre fæce a bimatu, Ælfc. Gr. 49; Zup. 287, 19 note. twi-wintre