LSJ
ον, bearing ὄλονθοι, Thphr. CP 5.1.8, Anon. (ὁ φιλόσοφος) ap. Ath. 3.77f, PCair. Zen. 33.12 (iii BC). (In this group ὀλονθ- is found in good codd. of Hdt. 1.193, Hp. Nat. Mul. 10, 17, 33, Mul. 1.78, 2.112, 113, 117, Ath. l.c., corroborated by PCair. Zen. l.c. ; ὀλυνθ- elsewhere, as also in ὀλυνθάζω, ὀλύνθη, ὀλυνθηφόρος.)
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
eine Art Feigenbaum, Theophr. bei Ath. III.77e.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)