προϋποστρώννυμι

A. strew or put under before, in Pass., Gp. 4.15.5, 5.8.5.

II. Pass., constitute a prior foundation, ἡ ὅλη ζωογονία ‐στρώννυται τῆς μεριστῆς Dam. Pr. 341, cf. Ammon. in Porph. 120.13.