αἰτιατέον
From LSJ
ὁ δὲ παράκλητος, τὸ πνεῦμα τὸ ἅγιον ὃ πέμψει ὁ πατὴρ ἐν τῷ ὀνόματί μου, ἐκεῖνος ὑμᾶς διδάξει πάντα καὶ ὑπομνήσει ὑμᾶς πάντα ἃ εἶπον ὑμῖν → but the Comforter, which is the Holy Ghost, whom the Father will send in my name, he shall teach you all things, and bring all things to your remembrance, whatsoever I have said unto you
English (LSJ)
verb. Adj.
A one must accuse, blame, X.Cyr. 7.1.11, Str.1.2.30. II one must allege as the cause, Pl.R.3790, Ti.57c, 87b, Arist.Mete.339a32.