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Ἰουδαϊσμός

Ioudaïsmós

G2454 noun

SILEX Entry

Definition

Adherence to Judean customs, practices, and collective identity; the orientation or commitment to the traditional ways associated with the people of Judea. The term can denote the way of life, ancestral customs, and practices distinctive to the Judean community, especially in contrast to the customs of other peoples (such as Hellenistic practices). Depending on context, it signifies commitment to the religious, social, and cultural norms associated with Judeans, particularly in periods of tension with external influences.

Semantic Range

commitment to Judean ancestral practices; observance of Judean or Israelite traditions; the collective identity or way of life associated with Judeans; the Judean 'system' or socioreligious order

Root / Etymology

Derived from Ἰουδαΐζω (to adopt Judean customs/practices), itself from Ἰουδαῖος (“Judean”; a person from Judea, or a member of the Judean people). The suffix -ισμός indicates a system, custom, or way of being. Analogous in formation to terms like Ἑλληνισμός (Hellenism, Greek ways/customs).

Historical & Contextual Notes

Earliest usage for Ἰουδαϊσμός appears in 2 Maccabees (2nd century BCE), where it refers to adherence to Judean ancestral traditions, especially in opposition to Ἑλληνισμός (the attraction to Greek culture and customs). The term thus marks a distinction between groups who maintained the ancestral heritage and law of Judeans, and those assimilating to non-Judean (often Hellenistic) norms. In Galatians 1:13–14, Paul uses Ἰουδαϊσμός to describe his former zealousness for Judean ancestral tradition, contrasting it with his later allegiance. Standard English translations (“Judaism,” “Jews' religion”) risk reducing the term to later or modern understandings of 'Judaism' as a formal religion, obscuring its broader social, ethnic, and cultural dimensions in antiquity. Ἰουδαϊσμός in Hellenistic and Roman contexts connotes the ancestral way of life, including religious law, civic customs, and community boundary markers, rather than an abstract religious system. Its sense is distinguished from mere geographic designation by the emphasis on tradition, practice, and distinctiveness in the face of external cultural pressures.

Original Strong's Gloss (1890)

from Ἰουδαΐζω; "Judaism", i.e. the Jewish faith and usages:--Jews' religion.

Root Family

Ἰουδαϊσμός (Ioudaismos) — adherence to Judean customs, Judean ancestral way of life, commitment to Judean tradition, Judean socioreligious system

Root Ἰουδαϊσμ- to adopt Judean customs, to follow Judean tradition, to live by Judean ancestral ways

Word Forms

1 distinct form

SIDANCE Surface Transliteration Morphology Common SIBI-P1 SIBI-P2 Occurrences
G2454-01 Ἰουδαϊσμῷ ioudaismo N DAT M SG Judaism to Judean ancestral way of life Judean ancestral way of life 2

Occurrences in Scripture

2 occurrences

SIDANCE Reference Word Transliteration Morphology Common SIBI-P1 SIBI-P2
G2454-01 Galatians 1:13 Ἰουδαϊσμῷ ioudaismo N DAT M SG Judaism to Judean ancestral way of life Judean ancestral way of life
G2454-01 Galatians 1:14 Ἰουδαϊσμῷ ioudaismo N DAT M SG Judaism to Judean ancestral way of life Judean ancestral way of life
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