#0204 אוֹן 'Own {one}
     or (shortened) אֹן 'On {one}

 of Egyptian derivation; TWOT - n/a; n pr loc

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

 On = "strength or vigour"
 1) city in lower Egypt, bordering land of Goshen, centre of
    sun-worship, residence of Potipherah (priest of On and
    father-in-law of Joseph)

—Brown-Driver-Briggs (Old Testament Hebrew-English Lexicon)

—Strong's (Hebrew & Chaldee Dictionary of the Old Testament)

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

 AV - On 3; 3

—Exhaustive Concordance (KJV Translation Frequency & Location)