Abbott-Smith Manual Greek Lexicon
λυσιτελέω (G3081)
1 ** λυσιτελέω , -ῶ ( λυσιτελής , useful , prop., τὰ τέλη λύων ), [in LXX: To 3:6 , Si 20:10 , 14 29:11 *;] prop., to indemnify , pay expenses . to be useful , to profit ; usually impers., λυσιτελεῖ , it profits : c, dat. pers., seq. εἰ . . . ἤ , Lk 17:2 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain