Liddell–Scott–Jones: τρῐᾰδ-ῐκός

τρῐᾰδ-ῐκός,ή,όν,

A. of three,

ἀριθμός

Syrian. in Metaph. 126.22

;triadic, pertaining to a triad,

Dam. Pr. 57 , 117 , Procl. in Prm. p.602

S. ;τ. τῶν κόσμων τομή(of Proclus) Simp. in Ph. 617.22 .

II. in Metric,consisting of three περίοδοι,Heph. p.61 C.;τ. συζυγίαSch. Ar. Pax 1127 .