C. F. Keil and Franz Delitzsch on Leviticus 22:21-22

Lev 22:21-22

Every peace-offering was also to be faultless, whether brought “to fulfil a special (important) vow” (cf. Num 15:3, Num 15:8 : פּלּא, from פּלא to be great, distinguished, wonderful), or as a freewill gift; that is to say, it was to be free from such faults as blindness, or a broken limb (from lameness therefore: Deu 15:21), or cutting (i.e., mutilation, answering to חרוּם Lev 21:18), or an abscess (יבּלת, from יבל to flow, probably a flowing suppurating abscess).