Gimmian

According to the Old English Dictionary:

gimmian

p. ode To put forth gems (fig.), to put forth buds :-- Sume sind gehātene tropi. . . swā swā is gecweden gemmare uites, þæt wīn-treówa gimmiad, for dan de wīntreówa blōstman beód gimmum gelīce, Ælfc. Gr. Z. 295, 10. gimmian