ἐκπορνεύω
From LSJ
κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
English (LSJ)
A commit fornication, LXX Ge.38.24, Ep.Jud.7 :—Pass., in same sense, Poll.6.126. 2 metaph., of idolatry, LXX Ex.34.15. II c. acc., prostitute, τὴν θυγατέρα ib.Le.19.29 ; cause to commit fornication, ib.2 Ch.21.11.