Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.fixed mark or boundary, goal, end (= πέρας, κατὰ τὴν ἀρχαίαν γλῶσσαν, Arist.Rh.1357b9), ἵκετο τέκμωρ he reached the goal, Il.13.20; τοῖο μὲν . . εὕρετο τέκμωρ for this he found an end, i.e. devised a remedy, 16.472; “εἰς ὅ κε τ. Ἰλίου εὕρωσιν” 7.30; “οὐδέ τι τέκμωρ εὑρέμεναι δύνασαι” Od.4.373, cf. 466: in Pi., either end, termination, “τέκμαρ αἰῶνος” Fr.165; or end, object, purpose, P.2.49.

2. fixed line of separation, “δειλῶν τε καὶ ἐσθλῶν τ. ἐναργές” Hes.Fr.164.

II. sure sign or token of some high and solemn kind, as Zeus says that his nod is ἐξ ἐμέθεν μέγιστον τέκμωρ, the highest, surest pledge I can give, Il.1.526; σαφὲς τ. Pi.N.11.44; of the moon, as a sign in the heavens, “τ. δὲ βροτοῖς . . τέτυκται” h.Hom.32.13, cf. A.R.1.499, 3.1002, etc.; “ἦν δ᾽ οὐδὲν αὐτοῖς οὔτε χείματος τ. οὔτ᾽ . . ἦρος” A.Pr.454; ἔστι τῶνδέ σοι τ.; Id.Ag.272, cf. 315; τἀνδρὸς ἐκφανὲς τ. Id.Eu.244; τῆσδ᾽ ἀφίξεως τ. Id.Supp.483; κυνὸς . . σῆμα, ναυτίλοις τ. E.Hec. 1273.--Poet. word, used also in the Ion. Prose of Hp. and Aret. for symptom, esp. pathognomic symptom, Hp.Mul.2.123, Aret.SA2.2, al.