#2072 ἔσοπτρον esoptron {es'-op-tron}

 from G1519 and a presumed derivative of G3700; TDNT - 2:696,27/264; n n

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) a mirror
    1a) the mirrors of the ancients were made, not of glass, but steel

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - glass 2; 2

—Exhaustive Concordance (KJV Translation Frequency & Location)