λάθρα (láthra|lath'-rah|adverb|secretly)
[Grk] λάθρα, λάθρᾳ, σιωπῇ LN: 28.71 GK: G3277 Hebrew: מִסְתָּר‎, סֵתֶר‎
Derivation: adverb from λανθάνω;
Strong's: privately
KJV: --privily, secretly.
See: λανθάνω