προκατα-βολή,ἡ,
A. payment on account: in Att. Law,caution money paid downby a farmer of the revenue, AB 193 , EM 148.52 , Phot.
II. foundation: metaph. of medical treatment, π. τῇ θεραπείᾳ
Philum. Ven. 3.1
;condition precedent,Ammon, in Int. 145.12 .