BT Naz 22b(4) :דילמ׳ בצננא מתפי׳‏ : perhaps this takes effect when there is a savor (of the meat of the sacrifice)?
See the entire entry for ṣnānā n.m. aroma of roast meat

BT Naz 22b(4)var. :או דילמ׳ בצננא"בצנפא" מתפי׳‏ : or perhaps one puts oneself into a state (of Naziriteship) by cold/the fringe [i.e., secondarily??]
See the entire entry for ṣnp n.m. uppermost branch; fringe