Declension table of ?gṛbhṇāna

Masculine	Singular	Dual	Plural
Nominative	gṛbhṇānaḥ	gṛbhṇānau	gṛbhṇānāḥ
Vocative	gṛbhṇāna	gṛbhṇānau	gṛbhṇānāḥ
Accusative	gṛbhṇānam	gṛbhṇānau	gṛbhṇānān
Instrumental	gṛbhṇānena	gṛbhṇānābhyām	gṛbhṇānaiḥ gṛbhṇānebhiḥ
Dative	gṛbhṇānāya	gṛbhṇānābhyām	gṛbhṇānebhyaḥ
Ablative	gṛbhṇānāt	gṛbhṇānābhyām	gṛbhṇānebhyaḥ
Genitive	gṛbhṇānasya	gṛbhṇānayoḥ	gṛbhṇānānām
Locative	gṛbhṇāne	gṛbhṇānayoḥ	gṛbhṇāneṣu

Compound gṛbhṇāna -

Adverb -gṛbhṇānam -gṛbhṇānāt