BT Git 69b(32) :לייתי טחלא דציפרתא דלא {נ}<א>יפתח ̇ו̇ניטויה בתנורא‏ : he should bring the spleen of a she-goat that has not lost virginity and cook it in an oven
See the entire entry for ptḥ vb. to open

BT Git 69b(32) :ציפרתא דלא {נ}<א>יפתח‏ : a virgin she-goat
See the entire entry for ṣpyrh n.f. she-goat