periahEtymologyBorrowed from Hebrew פְּרִיעָה (pri'á, “uncovering”).nouna supplementary procedure in the bris following the milah (excision of the akroposthion) where the preputial epithelium of the foreskin is separated from the glans of the penis as a precursor to posthetomy.“See the Chidushey Ha-Ran, who states that even if one is no longer busy cutting / , i.e., with the milah,/ but /already/ started /doing/ the periah he is /nevertheless/ still classed as being occupied with the milah, since milah and periah are /classed as parts of/ the same action.”