ἀπὸ λεπτοῦ μίτου τὸ ζῆν ἤρτηται → life hangs by a thin thread
cursĭo: ōnis, f. id.,I a running, Varr. L. L. 5, § 11 Müll.
cursĭō, ōnis, f. (curro), action de courir, course : Varro L. 5, 11.