symmetria
From LSJ
ἐν τῷ διὰ τῆς κατασκευῆς παρεπιφαινομένῳ περίττῳ → through some excess thing which results through poetic elaboration
Latin > English (Lewis & Short)
symmē̆trĭa: ae, f., = συμμετρία,>
I proportion, symmetry (cf. congruentia), Vitr. 1, 2; Plin. 34, 8, 19, §§ 58 and 65; 35, 10, 36, § 67.—Plur., Vitr. 1, 3 fin.>