P / Prorsa
noun

Prorsa

gen. Prorsae · gender feminine · decl. 1st
(), , 2. prorsus, sc. dea, i. e.
the goddess presiding over births with the head foremost
the goddess presiding over births with the head foremost (opp. Postverta), Varr. ap. Gell. 16, 16, 4; cf. Hartung, Relig. d. Röm. 2, p. 199.