jātē jagati vālmīkau
śabdaḥ kavir iti sthitaḥ
vyāsē jātē kavī ceti
kavayaś cēti daṇḍini
When Vālmīki came into the world,
so did the word “poet.”
With Vyāsa, it could be used in the dual.
And with Daṇḍin, in the plural.
(Sūktimuktāvalī 4.75)