Hypertext Webster Gateway: "didrachma"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Didrachm \Di"drachm\, Didrachma \Di*drach"ma\, n. [Gr. ?; di- =
di`s- twice + ? a drachm.]
A two-drachma piece; an ancient Greek silver coin, worth
nearly forty cents.
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