τερπνός · terpnos — LSJ
delightful, pleasant, delights, pleasures, enjoyment
delightful, pleasant (Hom. only as v.l., Od. 8.45), Thgn. 1019 (= Mimn. 5.3), Pi. O. 6.57, al., A. Ag. 143 (lyr.), etc.; τερπνὰ παθών Tyrt. 12.38; also in Prose, Democr. 211; πρὸς τὸ τερπνόν Th. 2.53, cf. Pl. Cra. 419d; τὰ τ. delights, pleasures, Isoc. 1.21, X. Mem. 2.1.23; τὸ τ. enjoyment, Metrod. Fr. 47.
2 to, content
rarely of persons, αὑτῷ δὲ τερπνός to his own content, S. Aj. 967; γέρων τ. Anacreont. 37.1.
II
regul. Comp. τερπνότερος Phld. Oec. p.9 J.: Sup. -ότατος Thgn. 256; irreg. τέρπνιστος Call. Fr. 256; Adv. -ιστα (or -ίστα[τα]) Id. in PSI 11.1218c6.
III
Adv. τερπνῶς Thgn. 914, S. Fr. 583.5.