be hid, be ignorant of, unawares

Strong’s Dictionary of Greek Words:

Greek:
λανθάνω
Transliteration:
lanthano
Phonic:
lan-than’-o
Meaning:
a prolonged form of a primary verb, which is used only as an alternate in certain tenses; to lie hid (literally or figuratively); often used adverbially, unwittingly
KJV Usage:
be hid, be ignorant of, unawares