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.