Declension table of ?tadarha

Neuter	Singular	Dual	Plural
Nominative	tadarham	tadarhe	tadarhāṇi
Vocative	tadarha	tadarhe	tadarhāṇi
Accusative	tadarham	tadarhe	tadarhāṇi
Instrumental	tadarheṇa	tadarhābhyām	tadarhaiḥ
Dative	tadarhāya	tadarhābhyām	tadarhebhyaḥ
Ablative	tadarhāt	tadarhābhyām	tadarhebhyaḥ
Genitive	tadarhasya	tadarhayoḥ	tadarhāṇām
Locative	tadarhe	tadarhayoḥ	tadarheṣu

Compound tadarha -

Adverb -tadarham -tadarhāt