Declension table of ?gṛdhnin

Masculine	Singular	Dual	Plural
Nominative	gṛdhnī	gṛdhninau	gṛdhninaḥ
Vocative	gṛdhnin	gṛdhninau	gṛdhninaḥ
Accusative	gṛdhninam	gṛdhninau	gṛdhninaḥ
Instrumental	gṛdhninā	gṛdhnibhyām	gṛdhnibhiḥ
Dative	gṛdhnine	gṛdhnibhyām	gṛdhnibhyaḥ
Ablative	gṛdhninaḥ	gṛdhnibhyām	gṛdhnibhyaḥ
Genitive	gṛdhninaḥ	gṛdhninoḥ	gṛdhninām
Locative	gṛdhnini	gṛdhninoḥ	gṛdhniṣu

Compound gṛdhni -

Adverb -gṛdhni