Gāthaka [demin. of gāthā]=gāthā, in ekaŋ me gāhi gāthakaŋ "sing to me only one little verse" J iii.507.

Pali-English Dictionary, TW Rhys Davids, William Stede,

gāthaka m. (Pāṇ. 3-1, 146) a singer (chanter of the Purāṇas) Pāṇ. 1-1, 34 Kāś. Rājat. vii, 934
• (ikā), f. an epic song Yājñ. i, 45 MBh. iii, 85, 30 Ratnâv. ii, 5/6
 

Sanskrit-English Dictionary, by M. Monier William