אוֹן
On, a city of Egypt
Definition
The Hebrew word אוֹן (ʼÔwn) refers to a specific ancient Egyptian city, also known by its Greek name Heliopolis, meaning 'City of the Sun'. In the Bible, it is mentioned exclusively in the context of Joseph's life in Egypt. It was the home of Potiphera, a priest of On, whose daughter Asenath became Joseph's wife (Genesis 41:45). This marriage alliance connected Joseph to a prominent religious and political center. The city is also noted as the birthplace of Joseph's two sons, Manasseh and Ephraim (Genesis 41:50, Genesis 46:20), linking the future tribes of Israel to this Egyptian location.
Biblical Usage
The word is used only three times in the Old Testament, all within the narrative of Joseph in the book of Genesis. Its usage is strictly as a proper noun identifying a geographical location. The contexts are Joseph's marriage to Asenath, daughter of Potiphera, priest of On (Genesis 41:45), the birthplace of Joseph's sons (Genesis 41:50), and a listing of Jacob's family members who went to Egypt, which includes Asenath from On (Genesis 46:20).
Etymology
The word אוֹן (ʼÔwn) is a direct borrowing from Egyptian, referring to the city known for its sun worship. Its Hebrew spelling is a transliteration of the Egyptian name. The shortened form אֹן also appears. The city's Egyptian name is related to concepts of pillar or monument, which aligns with its role as a major cult center for the sun god Ra.
Semantic Range
While the city name itself is not theologically loaded, its inclusion in the Joseph narrative is significant. Joseph's marriage to the daughter of a priest from On, a center of Egyptian solar worship, highlights his integration into and high status within Egyptian society, despite his Hebrew identity and faith in Yahweh. This sets the stage for the tension between Israelite identity and foreign culture, a theme that continues throughout the Pentateuch. Understanding On as a major pagan religious center enriches the reading of Joseph's story, emphasizing God's providence in placing His people within a powerful, idolatrous nation.
In its original setting, On (Heliopolis) was one of the most important religious and intellectual centers in ancient Egypt, dedicated primarily to the worship of the sun god Ra. It was a city of great temples and obelisks. For the biblical authors and original audience, mentioning On would have evoked the image of a powerful, idolatrous foreign capital. This contrasts with a modern reader who might see it merely as a historical place name, missing its connotations of pagan power and prestige.
No direct synonyms as a proper noun. Geographically, it could be associated with: מִצְרַיִם (Mitsrayim, H4714) — the general country of Egypt where On was located.
Word Details
How this works
Hebrew definitions are from Brown-Driver-Briggs (1906) and Strong's Exhaustive Concordance (1890), both public domain. BDB was groundbreaking for its era but reflects 19th-century assumptions about Semitic etymology. Modern scholarship (HALOT, DCH) has revised many entries. Use these definitions as a starting point for exploration, not as the final word on a term's meaning in context.
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