προχαλάω

A. relax beforehand, Aret. CD 1.5, Hippiatr. 43:—Pass., to be loosed beforehand, προκεχάλασται ἡ γλῶσσα LXX 4 Ma. 10.19 (v.l.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project