ἐπί
on, to, against, on the basis of, at
Definition
The preposition ἐπί is highly versatile, meaning 'on,' 'upon,' or 'over' in a spatial sense (Matthew 3:16). It can indicate direction or motion 'toward' something (Matthew 2:22). Figuratively, it denotes the basis or ground for something, meaning 'on the basis of' or 'because of' (Matthew 4:4). It can also convey a sense of hostility or opposition, meaning 'against' (Matthew 3:7). Finally, it is used temporally to mean 'at' or 'during' a specific time.
Biblical Usage
ἐπί occurs nearly 800 times across the New Testament, appearing in every book. Its usage is heavily context-dependent. It commonly describes physical location (e.g., 'on the water' in Matthew 14:28) or the object of an action (e.g., 'believe in' or 'upon' in Romans 4:5). The sense of 'on the basis of' is theologically significant in passages about faith (Romans 4:24). The hostile sense 'against' is frequent in warnings (Luke 11:17).
Etymology
Derived from the Proto-Indo-European root *epi, meaning 'at, near.' It is a primary, inseparable preposition in Greek. Its fundamental sense of proximity or superimposition underlies all its varied uses, from physical location to abstract basis.
Semantic Range
Understanding ἐπί is crucial for interpreting key doctrines. The phrase πίστις ἐπί (faith in/upon) defines the very object and basis of salvation, as in Romans 4:5 where righteousness is credited to one who 'believes in [ἐπί] him who justifies the ungodly.' It clarifies that faith is placed upon a person (Christ), not merely an idea. The preposition also frames divine authority, as Christ has all authority 'in heaven and on [ἐπί] earth' (Matthew 28:18).
As a common Greek preposition, its cultural understanding aligns with general spatial and relational concepts in the ancient world. The sense of something resting 'upon' a basis was a familiar metaphor for legal or logical grounds, which the New Testament authors employed for theological argument.
ἐν (en, G1722) — denotes being 'in' or 'within,' focusing on interiority rather than surface or basis. εἰς (eis, G1519) — indicates motion 'into' or purpose 'toward,' rather than position upon. πρός (pros, G4314) — often means 'toward' or 'with,' emphasizing direction or relationship more than superimposition.
Word Details
How this works
Definitions are from the Dodson Greek-English Lexicon, a concise public-domain resource suitable for introductory word study. Brief glosses are supplemented by STEPBible TBESG data (CC BY 4.0). For advanced research, standard scholarly references include BDAG (Danker, 3rd ed.) and LSJ.
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