τρῐᾱκοσταῖος, Ion.
τρῐηκ-,α,ον,
A. on the thirtieth day,
Hp. Prog. 15 ;in thirty days,
τ. περιώδευσε τὴν Σύρτιν
Str. 17.3.20
;δίκαι -ταῖαιcaseswhich must be tried within thirty days,
Tab.Heracl. 1.49 , al.
II. thirty days old,
παιδίον
Phylarch. 36
J.