LSJ
or ἐκκρίμναμαι, = ἐκκρέμαμαι, v.l. in Hp. Art. 76 ; c. gen., E. HF 520 ; ῥόπτρων χέρας ἐκκρημνάμεσθα we hang on to the doorknocker by the hands, Id. Ion 1612 ; — later in Act. part. ἐκκρημνάς or ἐκκριμνάς hanging up, Iamb. VP 33.238.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)