Declension table of ?kṛṣṇagrīva

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇagrīvaḥ	kṛṣṇagrīvau	kṛṣṇagrīvāḥ
Vocative	kṛṣṇagrīva	kṛṣṇagrīvau	kṛṣṇagrīvāḥ
Accusative	kṛṣṇagrīvam	kṛṣṇagrīvau	kṛṣṇagrīvān
Instrumental	kṛṣṇagrīveṇa	kṛṣṇagrīvābhyām	kṛṣṇagrīvaiḥ kṛṣṇagrīvebhiḥ
Dative	kṛṣṇagrīvāya	kṛṣṇagrīvābhyām	kṛṣṇagrīvebhyaḥ
Ablative	kṛṣṇagrīvāt	kṛṣṇagrīvābhyām	kṛṣṇagrīvebhyaḥ
Genitive	kṛṣṇagrīvasya	kṛṣṇagrīvayoḥ	kṛṣṇagrīvāṇām
Locative	kṛṣṇagrīve	kṛṣṇagrīvayoḥ	kṛṣṇagrīveṣu

Compound kṛṣṇagrīva -

Adverb -kṛṣṇagrīvam -kṛṣṇagrīvāt