PTNid 50.b:21[2] :חכים הוא ההוא סבא דפרזלוי חריפין‏ : that old man is wise, for his iron implements are sharp (compare the figurative meaning: "clever")
See the entire entry for ḥarrīp̄ adj. sharp

PTNid 50.b:21[2] :פרזלוי חריפין‏ : his iron tools are sharp
See the entire entry for parzel, parzlā n.m. iron