Declension table of ?jyeṣṭhavayas

Masculine	Singular	Dual	Plural
Nominative	jyeṣṭhavayān	jyeṣṭhavayāṃsau	jyeṣṭhavayāṃsaḥ
Vocative	jyeṣṭhavayan	jyeṣṭhavayāṃsau	jyeṣṭhavayāṃsaḥ
Accusative	jyeṣṭhavayāṃsam	jyeṣṭhavayāṃsau	jyeṣṭhavayasaḥ
Instrumental	jyeṣṭhavayasā	jyeṣṭhavayobhyām	jyeṣṭhavayobhiḥ
Dative	jyeṣṭhavayase	jyeṣṭhavayobhyām	jyeṣṭhavayobhyaḥ
Ablative	jyeṣṭhavayasaḥ	jyeṣṭhavayobhyām	jyeṣṭhavayobhyaḥ
Genitive	jyeṣṭhavayasaḥ	jyeṣṭhavayasoḥ	jyeṣṭhavayasām
Locative	jyeṣṭhavayasi	jyeṣṭhavayasoḥ	jyeṣṭhavayaḥsu

Compound jyeṣṭhavayas -

Adverb -jyeṣṭhavayas