LSJ
ὁ, in pl., glossed by κροσσοί, ἱμάντες, and θύσανοι, Phot., Eust. 976.28.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
ὁ, seltene mundartliche Form statt θύσανος, Eust. S. σίλυβος.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)