Declension table of ?panthaka

Neuter	Singular	Dual	Plural
Nominative	panthakam	panthake	panthakāni
Vocative	panthaka	panthake	panthakāni
Accusative	panthakam	panthake	panthakāni
Instrumental	panthakena	panthakābhyām	panthakaiḥ
Dative	panthakāya	panthakābhyām	panthakebhyaḥ
Ablative	panthakāt	panthakābhyām	panthakebhyaḥ
Genitive	panthakasya	panthakayoḥ	panthakānām
Locative	panthake	panthakayoḥ	panthakeṣu

Compound panthaka -

Adverb -panthakam -panthakāt