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Locative case


Locative (abbreviated LOC) is a grammatical case which indicates a location. It corresponds vaguely to the English prepositions "in", "on", "at", and "by". The locative case belongs to the general local cases together with the lative and separative case.

The locative case exists in many language groups.

The Proto-Indo-European language had a locative case expressing "place where", an adverbial function. The endings are reconstructed as follows:

In most later Indo-European languages, the locative case merged into other cases (often genitive or dative) in form and/or function, but some daughter languages retained it as a distinct case. It is found in:

Old Latin still had a functioning locative singular, which descended from the Proto-Indo-European form. The locative plural was already identical to the dative and ablative plural. In Classical Latin, changes to the Old Latin diphthongs caused the originally-distinctive ending of the locative singular to become indistinguishable from the endings of some other cases.

Because the locative was already identical to the ablative (which had a "location" meaning as well) in the plural, the loss of distinction between the endings eventually caused the functions of the locative case to be absorbed by the ablative in Classical Latin. The original locative singular ending, descended from the Old Latin form, remained in use for a few words. For first and second declension, it was identical to the genitive singular form. In archaic times, the locative singular of third declension nouns was still interchangeable between ablative and dative forms, but in the Augustan Period the use of the ablative form became fixed. Therefore, both forms "rūrī" and "rūre" may be encountered.

The Latin locative case was only used for the names of cities, "small" islands and a few other isolated words. The Romans considered all Mediterranean islands to be small except for Sicily, Sardinia, Corsica, Crete, and Cyprus. Britannia was also considered to be a "large island." There are a few nouns that use the locative instead of a preposition: domus becomes domī (at home), rūs becomes rūrī (in the country), humus becomes humī (on the ground), militia becomes militiae (in military service, in the field), and focus becomes focī (at the hearth; at the center of the community).


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