deceni Save Georges Gaffiot 2016 decēni = deni, Akk. decenos, Cassiod. hist. eccl. 3, 12. – Sing. decēnus, Boëth. art. geom. p. 395, 10; 398, 13 Fr. dĕcēnī, æ, a, c. deni : Cassiod. Hist. eccl. 3, 12 || au sing., Ps. Boet. Geom. 1 p. 1209.