παρέν-θεσις · paren-thesis — LSJ
putting in beside : giving besides or wrongly, τῆς τροφῆς Gal. 19.193 (pl., s.v.l.) ; injection, Orib. Fr. 58.
insertion, of a tent in a wound, Aët. 8.27 : Gramm., of letters, Eust. 30.43 : in Tactics, of men in a rank, Ascl. Tact. 6.1 ; τῶν ἱστοριῶν Eust. 100.33.
parenthesis, Quint. Inst. 9.3.23 ; κατὰ -θεσιν Hermog. Id. 1.12.
application, τῶν χειλέων Gal. 5.708.