ἐχεγλωττία
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
ἡ,
A tongue-truce, 'linguistice', coined by Luc.Lex.9, after ἐκεχειρία (armistice).
German (Pape)
[Seite 1124] ἡ, Zungenstillstand, nach ἐκεχειρία von Luc. Lexiph. 9 gebildet.