Bosworth Toller's

Anglo-Saxon

Dictionary online

gim-wyrhta

(n.)
Grammar
gim-wyrhta, an; m.

A worker in gemsjeweller

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A worker in gems, jeweller Ðás gymwyrhtan secgaþ ðæt hí nǽfre swá deórwurþe gymstánas ne gemétton the jewellers say that they never met with such precious jewels, Homl. Th. i. 64, 9