Jastrow: פֶּרֶשׁ

פֶּרֶשׁ f. (b. h.; פָּרַשׁ) secretion, excrements (found in the entrails). Pes. 20ᵃ נמצאת בפ׳ if the liquid is found in the excrements of the slaughtered animal. Ib. (in Chald. dict.) וליהדר פ׳ וכ׳ why should not the excrements again make the flesh unclean? Ib. פ׳ עבה thick, substantial excrements, פ׳ רכה soft, viscid secretions. Ab. Zar. 34ᵇ פִּרְשׁוֹ מותרת its discharge may be used. Y. ib. II, 41ᶜ bot. פִּירְשָׁהּ גיפה הוא an animal’s discharge is part of its body; a. e.