ὑφήγ-ησις · hyphēg-ēsis — LSJ
leading, guidance, Hp. Nat.Puer. 18, OGI 267.13 (Pergam., iii B. C.), SIG 827 iii 4 (Delph., ii A. D.); ὑ. ὁδοῦ Poll. 3.95; κατὰ τὴν ὑ. τινός D. 18.151, cf. Arist. Rh.Al. 1420b25, Plb. 10.27.3; γράφειν κατὰ τὴν ὑ. τῶν γραμμῶν by the guiding pattern of lines, Pl. Prt. 326d; sketch, outline of a subject, Gal. Libr. Propr. Praef. (pl.).
direction, Onos. Praef. 3 (pl.), Iamb. VP 21.96:—in Paus. 7.24.8 ὑπήχησις is prob. cj.