Declension table of ?ṛkṣaharīśvara

Masculine	Singular	Dual	Plural
Nominative	ṛkṣaharīśvaraḥ	ṛkṣaharīśvarau	ṛkṣaharīśvarāḥ
Vocative	ṛkṣaharīśvara	ṛkṣaharīśvarau	ṛkṣaharīśvarāḥ
Accusative	ṛkṣaharīśvaram	ṛkṣaharīśvarau	ṛkṣaharīśvarān
Instrumental	ṛkṣaharīśvareṇa	ṛkṣaharīśvarābhyām	ṛkṣaharīśvaraiḥ ṛkṣaharīśvarebhiḥ
Dative	ṛkṣaharīśvarāya	ṛkṣaharīśvarābhyām	ṛkṣaharīśvarebhyaḥ
Ablative	ṛkṣaharīśvarāt	ṛkṣaharīśvarābhyām	ṛkṣaharīśvarebhyaḥ
Genitive	ṛkṣaharīśvarasya	ṛkṣaharīśvarayoḥ	ṛkṣaharīśvarāṇām
Locative	ṛkṣaharīśvare	ṛkṣaharīśvarayoḥ	ṛkṣaharīśvareṣu

Compound ṛkṣaharīśvara -

Adverb -ṛkṣaharīśvaram -ṛkṣaharīśvarāt