περὶ ταῦτα οὕτω σφι νενομοθέτηται → it has been so ordained by law
interceptĭo: ōnis, f. intercipio,I a taking away (very rare): poculi, Cic. Clu. 60, 167; Hilar. in Psa. 51, 18; id. in Gal. 68.