θύμαλλος
From LSJ
Ἡ δὲ Σελήνη γενομένη μὲν ἐκ τῆς ἀντανακλάσεως τοῦ ἡλιακοῦ φωτὸς → the moon having been made from the reflection of sunlight (Vettius Valens, Anthologies 1.14)
English (LSJ)
ὁ, an unknown
A fish, Ael.NA14.22.
German (Pape)
[Seite 1222] ὁ, ein Fisch, Ael. N. A. 14, 22.