θρ=ναξ

ακος, ἡ
A. trident, three-pronged fork, used to stir grain, etc., Ar. Pax 567, Nic. Th. 114, PFay. 120.3 (i/ii A.D.); as a signet, Tab.Heracl. 1.5. [ι: later ι, AP 6.95 codd. (Antiphil.).]
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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