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Ablative of Quality.


The quality of a thing is denoted by the Ablative with an adjective or genitive modifier.

This is called the Descriptive Ablative or Ablative of Quality: - [1][It was originally instrumental and appears to bave developed from accompaniment (§413) and manner (§412).]

NOTE: The Ablative of Quality (like the Genitive of Quality, §345) modifies a substantive by describing it. It is therefore equivalent to an adjective, and may be either attributive or predicate. In this it differs from other ablatives, which are equivalent to adverbs.

a. In expressions of quality the Genitive or the Ablative may often be nsed indifferently; but physical qualities are oftener denoted by the Ablative (cf. §345. N.):