κνήθω
From LSJ
ἀλλὰ διὰ τῆς ἀγάπης δουλεύετε ἀλλήλοις. ὁ γὰρ πᾶς νόμος ἐν ἑνὶ λόγῳ πεπλήρωται, ἐν τῷ Ἀγαπήσεις τὸν πλησίον σου ὡς σεαυτόν → but be enslaved to each other through love; for the whole Torah is fulfilled in one statement: You will love your neighbor as yourself (Galatians 5:13f.)
English (LSJ)
later form of κνάω,
A scratch, ὡς λέγεται, κνήθειν οἶδεν ὄνος τὸν ὄνον AP12.238.8 (Strat.), cf. Moer.p.234 P.:—Med., κνήθεσθαι εἰς τὰς ἀκάνθας τὰ ἕλκη to get one's sores scratched, Arist.HA609a32. 2 Pass., itch, Paul. Aeg.6.60; κνηθόμενοι τὴν ἀκοήν 2 Ep.Ti.4.3; to be provoked, Arist. Pr.957b15.