Strong's #2651: katamonas (pronounced kat-am-on'-as)
from 2596 and accusative case plural feminine of 3441 (with 5561 implied); according to sole places, i.e. (adverbially) separately:--alone.
Thayer's Greek Lexicon:
́
katamonas
1) apart, alone
Part of Speech: adjective
Relation: from G2596 and accusative case plural feminine of G3441 (with G5561 implied)
Usage:
This word is used 2 times:
Mark 4:10: "And when he was alone, they that were about him with"
Luke 9:18: "it came to pass, as he was alone praying, his disciples were with him:"