ἄγκιστρον
From LSJ
ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
τό
A, (ἄγκος) fish-hook, Od.4.369, Hdt.2.70, etc.; hook of a spindle, Pl.R.616c; surgical instrument, Philum.Ven.2.6, Cael. Aur.TP5.1; generally, hook, D.C.60.35.
German (Pape)
[Seite 15] τό, Angelhaken, γναμπτά, Od. 4, 369. 12, 332; – γυρόν Philip. 22 (VI, 39); καθιέναι Plut. Symp. 8, 8, 3; übh. Haken, z. B. an der Spindel, Plat. Rep. X, 616 c. Uebertr. ἄγκ. σαρκοφαγίας ἐκβάλλειν Plut. de esu carn. 2, 1; ὁ πόνος ἄγκιστρα καὶ ῥίζας διασπείρων καὶ συμπλεκόμενος σαρκί Non posse 3 M.