âtâhidan, bé kâr bordan (#)
To make use of; to put to use especially for some practical purpose.
From M.E. ap(p)lien, from O.Fr. aploiier "apply, use, attach," from L. applicare "to attach to, connect;" figuratively, "devote (oneself) to, give attention," from → ad- "to" + plicare "to fold," → explain.
Âtâhidan, from â- intensive/nuance prefix, + tâh "fold, plait, ply"
(on the model of L., as above, → explain);
Mid.Pers. tâg "piece, part" + -idan infinitive suffix.