BBG Chapter 7 — Genitive and Dative

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Basics of Biblical Greek Grammar, Mounce, 4th Edition

1. The Greek Case System — Overview

Greek nouns are inflected for case, which indicates the noun's grammatical function in the sentence. Chapter 7 introduces the genitive and dative, completing the 2nd-declension paradigm.

Note: Greek uses five cases to do work that English handles with prepositions and word order. Learning the case functions is more important than memorizing a single "meaning" for each ending.

2. The Genitive Case

The genitive expresses the relationship between two nouns, most commonly possession. The English equivalent is usually "of" placed before the word or "'s" placed after it.

2.1 Genitive of Possession

The most common genitive use. The genitive noun specifies the owner.

ὁ λόγος τοῦ θεοῦ — "the word of God" (God's word)

2.2 Genitive of Relationship

The genitive identifies a family relationship without an explicit word for "son," "daughter," etc.

Ἰησοῦς Μαρίας — "Jesus, [son] of Mary"

2.3 Genitive of Separation (Ablative Function)

Expresses separation, source, or departure. Common with verbs of separating, freeing, or departing.

ἐλεύθεροι ἀπὸ τῆς ἁμαρτίας — "free from sin"

2.4 Partitive Genitive

The genitive denotes the whole of which something is a part.

εἷς ἐξ ὑμῶν — "one of you"

2.5 Genitive with Prepositions

Several prepositions regularly take the genitive object:

3. The Dative Case

The dative expresses the person or thing involved in an action, but not as the direct object. It covers a range of functions often expressed in English with "to," "for," "with," or "in/by/at."

3.1 Dative of Indirect Object

The most common dative use. The dative noun identifies to whom or for whom the action is done.

λέγει τῷ ἀνθρώπῳ — "he says to the man"

3.2 Dative of Instrument (Means)

The dative expresses the means by which an action is accomplished. No preposition in Greek; English adds "with" or "by."

ἀπέθανεν ἁμαρτίᾳ — "he died by sin" / "with sin [as the means]"

3.3 Dative of Manner

The dative describes how an action is performed.

χαρᾷ ἐδέξαντο — "they received [it] with joy"

3.4 Dative of Sphere / Reference

Indicates the sphere within which something is true, or the perspective from which.

καθαροὶ τῇ καρδίᾳ — "pure in heart" (sphere = the heart)

3.5 Dative of Time (When)

A noun in the dative can specify the time at which something occurs.

τῇ τρίτῃ ἡμέρᾳ — "on the third day"

3.6 Dative with Prepositions

Note: ἐν + dative is one of the most common constructions in the GNT. It can express location ("in"), instrument ("by"), or sphere ("in the realm of"). Context determines the precise nuance.

4. Full 2nd-Declension Paradigm

The 2nd declension covers most masculine nouns (ending -ος in nominative singular) and neuter nouns (ending -ον). Below is the complete five-case paradigm.

4.1 Masculine 2nd Declension — λόγος (word)

4.2 Neuter 2nd Declension — ἔργον (work)

Note: The neuter nominative, accusative, and vocative are always identical within number. This is the neuter rule: neuter nom. = neuter acc. = neuter voc.

Note: The dative singular ending -ῳ (omega with iota subscript) is a reliable diagnostic for the dative singular in 2nd declension. The iota subscript is silent in pronunciation but must be written.

5. The Definite Article with 2nd Declension

Greek's definite article agrees with its noun in gender, number, and case. There is no indefinite article; the absence of the article can imply indefiniteness but is not required to.

Note: The masculine and neuter genitive and dative forms are identical (τοῦ, τῷ, τῶν, τοῖς). The noun's ending distinguishes the gender, not the article alone.

6. Prepositions with Genitive vs. Dative — Summary

Some prepositions take only one case; others take different cases with different meanings. The most important prepositions and their case governance:

Note: When ἐκ precedes a word beginning with a vowel, it becomes ἐξ (e.g., ἐξ ἀρχῆς — "from the beginning").

7. Identifying Genitive vs. Dative — Quick Reference

Both cases share the -ων genitive plural ending. The definite article is the clearest guide: