סוּר, to turn, esp. ס׳ סכינא (v. Ḥull. 17ᵇ, quot. s. v. טוּפְרָא) to turn the slaughtering knife on all sides, to examine. Erub. 63ᵃ רבינא סַר סכינא וכ׳ R. examined the slaughterer’s knife (assumed the rabbinical function of superintending the slaughtering) in Babylonia. Ḥull. 18ᵃ דלא סר וכ׳ who failed to examine his knife before an authorised scholar.
סוּר, to go around, visit, superintend, esp. ס׳ ניכסיה (or ארעיה) to superintend one’s estate, examine, watch laborers &c.—Part. סָיֵיר. Ib. 105ᵃ מאן דסייר ניכסיה וכ׳ (Ar. סָאֵיר) he who goes around examining his property every day. Ib. וכ׳ אבא הוה ס׳ … ואנא לא סָיִירְנָא my father used to examine his estate twice a day, but I do it only once a day.