ἡμερολογεῖον

From LSJ

ἠ πρὸς Τιμόθεον α' ἐπιστολή· Τιμοθέῳ ἑταίρῳ Παῦλος διελέξατο ταῦτα → First epistle to Timothy: Paul discussed these things with his colleague Timothy

Source

Russian (Dvoretsky)

ἡμερολογεῖον: τό v. l. = ἡμερολόγιον.