ἐκτᾰνύω · ektanyō — LSJ
to stretch out, lay low, lie outstretched, spread out all ways
ἐκτείνω, βραχίονας Theoc. 25.270:—Hom. has this form only, in the sense to stretch out (on the ground), lay low, ἐξετάνυσσʼ ἐπὶ γαίῃ Il. 17.58:—Pass., lie outstretched, ὁ δʼ ὕπτιος ἐξετανύσθη 7.271; ἐξετανύσθη ἄμπελος it spread out all ways, h.Bacch. 38.
2 stretch tight
stretch tight, ἐκ δʼ ἐτάνυσσʼ ἱμάντα βοός (f.l. for ἐν δʼ) Od. 23.201; [δέρμα] Pi. P. 4.242.
3 extend
extend, ἐξετάνυσσας ὁδόν Epigr.Gr. 1078.4 (Cilicia).— For S. OC 1562, v. ἐξανύω.—Poet. word, used by Hp. Fract. 43. [ῠ usu., but ῡ Anacreont. 35.5 (s.v.l.).]