ὀκταήμερος

belonging to the eighth day

Definition

The adjective ὀκταήμερος means 'belonging to the eighth day' or 'eight days old.' In its sole New Testament occurrence, it describes the timing of circumcision according to the Mosaic Law. This specific timeframe is crucial, as it directly connects to the covenant sign God established with Abraham in Genesis 17:12, which mandated circumcision on the eighth day after birth. The word emphasizes precise ritual observance and marks a person as a full participant in the covenant community from infancy.

Biblical Usage

This word is used only once in the New Testament, in Philippians 3:5. Here, the Apostle Paul lists his credentials as a devout Jew, stating he was 'circumcised on the eighth day' (περιτομῇ ὀκταήμερος). Its usage is highly specific, functioning as a technical term for the divinely appointed time for the rite of circumcision under the Old Covenant. It serves as a key identity marker in Paul's autobiographical argument.

Etymology

Derived from the Greek words ὀκτώ (oktō, meaning 'eight') and ἡμέρα (hēmera, meaning 'day'). It is a compound adjective literally meaning 'eight-day.' This formation is straightforward, directly describing something pertaining to an eight-day period, specifically the eighth day after birth.

Semantic Range

This term is theologically significant as it anchors the practice of circumcision to God's specific command, linking the New Testament community back to the Abrahamic covenant (Genesis 17). In Philippians 3:5, Paul uses it to establish his impeccable Jewish pedigree under the Law, which he then contrasts with the surpassing value of knowing Christ. Understanding this Greek term highlights the precision of the Old Testament law and sets the stage for the New Testament's teaching on the true, spiritual circumcision of the heart (Romans 2:29, Colossians 2:11).

In the Jewish cultural context of the first century, being 'circumcised on the eighth day' was a non-negotiable requirement for any Jewish male. It was the primary sign of inclusion in the covenant people of Israel, distinguishing them from Gentiles. The specific timing was seen as a direct obedience to God's commandment, not merely a cultural tradition. For Paul's original readers, this phrase immediately communicated full, hereditary membership in the nation of Israel.

περιτομή (peritomē, G4061) — The noun 'circumcision,' the act or state itself, whereas ὀκταήμερος specifies the timing.

Word Details

Scripture References