Declension table of ?rathamadhya

Neuter	Singular	Dual	Plural
Nominative	rathamadhyam	rathamadhye	rathamadhyāni
Vocative	rathamadhya	rathamadhye	rathamadhyāni
Accusative	rathamadhyam	rathamadhye	rathamadhyāni
Instrumental	rathamadhyena	rathamadhyābhyām	rathamadhyaiḥ
Dative	rathamadhyāya	rathamadhyābhyām	rathamadhyebhyaḥ
Ablative	rathamadhyāt	rathamadhyābhyām	rathamadhyebhyaḥ
Genitive	rathamadhyasya	rathamadhyayoḥ	rathamadhyānām
Locative	rathamadhye	rathamadhyayoḥ	rathamadhyeṣu

Compound rathamadhya -

Adverb -rathamadhyam -rathamadhyāt