ἰχθύδιον

τό
A. little fish, freq. in Com. (v. infr.), Chrysipp.Stoic. 2.208, PFlor. 119.7 (iii A.D.), Jul. Mis. 350b, etc. [υ, Ar. Fr. 387.8, Theopomp.Com. 62.3, Anaxil. 19, Cratin.Jun. 13, POxy. 784 (i B.C.), etc.; but υ in dact., AP 11.405 (Lucill.), Archestr. Fr. 45.18.]
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project