Declension table of ?ṛjiśvan

Masculine	Singular	Dual	Plural
Nominative	ṛjiśvā	ṛjiśvānau	ṛjiśvānaḥ
Vocative	ṛjiśvan	ṛjiśvānau	ṛjiśvānaḥ
Accusative	ṛjiśvānam	ṛjiśvānau	ṛjiśunaḥ
Instrumental	ṛjiśunā	ṛjiśvabhyām	ṛjiśvabhiḥ
Dative	ṛjiśune	ṛjiśvabhyām	ṛjiśvabhyaḥ
Ablative	ṛjiśunaḥ	ṛjiśvabhyām	ṛjiśvabhyaḥ
Genitive	ṛjiśunaḥ	ṛjiśunoḥ	ṛjiśunām
Locative	ṛjiśuni	ṛjiśunoḥ	ṛjiśvasu

Compound ṛjiśva -

Adverb -ṛjiśvānam