Declension table of ?pratyārambha

Masculine	Singular	Dual	Plural
Nominative	pratyārambhaḥ	pratyārambhau	pratyārambhāḥ
Vocative	pratyārambha	pratyārambhau	pratyārambhāḥ
Accusative	pratyārambham	pratyārambhau	pratyārambhān
Instrumental	pratyārambheṇa	pratyārambhābhyām	pratyārambhaiḥ pratyārambhebhiḥ
Dative	pratyārambhāya	pratyārambhābhyām	pratyārambhebhyaḥ
Ablative	pratyārambhāt	pratyārambhābhyām	pratyārambhebhyaḥ
Genitive	pratyārambhasya	pratyārambhayoḥ	pratyārambhāṇām
Locative	pratyārambhe	pratyārambhayoḥ	pratyārambheṣu

Compound pratyārambha -

Adverb -pratyārambham -pratyārambhāt