Declension table of ?ṛkṣagrīva

Masculine	Singular	Dual	Plural
Nominative	ṛkṣagrīvaḥ	ṛkṣagrīvau	ṛkṣagrīvāḥ
Vocative	ṛkṣagrīva	ṛkṣagrīvau	ṛkṣagrīvāḥ
Accusative	ṛkṣagrīvam	ṛkṣagrīvau	ṛkṣagrīvān
Instrumental	ṛkṣagrīveṇa	ṛkṣagrīvābhyām	ṛkṣagrīvaiḥ ṛkṣagrīvebhiḥ
Dative	ṛkṣagrīvāya	ṛkṣagrīvābhyām	ṛkṣagrīvebhyaḥ
Ablative	ṛkṣagrīvāt	ṛkṣagrīvābhyām	ṛkṣagrīvebhyaḥ
Genitive	ṛkṣagrīvasya	ṛkṣagrīvayoḥ	ṛkṣagrīvāṇām
Locative	ṛkṣagrīve	ṛkṣagrīvayoḥ	ṛkṣagrīveṣu

Compound ṛkṣagrīva -

Adverb -ṛkṣagrīvam -ṛkṣagrīvāt