Blæc-gym

Bosworth & Toller Anglo-Saxon Old English Dictionary - blæc-gym

According to the Old English Dictionary:

blæc-gym
g. -gymmes; m. A black fossil, called jet; nigro-gem-meus, lapis gagates = γαγάτηs, Bd. 1, 1; S. 473, 24. blæc-gym
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