yodan verb with 'tsu' ending (archaic), transitive verb
to call out from many; to select and summon
Archaic transitive verb. Used in classical Japanese for singling out and summoning someone from a group. The modern equivalent would be 呼び出す or 選び出す.
古記録には「兵の中より勇士を召し放つ」とある。
In old records, it says 'to call out a brave warrior from among the soldiers.'