From kleio; a key (as shutting a lock), literally or figuratively -- key.

see GREEK kleio

κλεῖδα (kleida) − 1 Occurrence

κλεῖδας (kleidas) − 1 Occurrence

κλεῖν (klein) − 2 Occurrences

κλεῖς (kleis) − 2 Occurrences