δεκαδιστής

οῦ, ὁ
A. one who celebrates the tenth day of the month, cj. in Thphr. Char. 27.11, cf. IG 11(4).1227 (Delos), 2.1139b:—fem. δεκαδ‐ίστρια, ibid.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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