எதேச்சையாக

விருப்பத்தின்படி. Agreeably to one's own sweet will and pleasure, without let or hindrance;

Tamil Lexicon

, ''inf. [used adverbi ally.]'' According to one's own wish, desire, choice, option, fancy, மனதின்படி.

Miron Winslow

etēccai-y-āka
adv. yathā+icchā+.
Agreeably to one's own sweet will and pleasure, without let or hindrance;
விருப்பத்தின்படி.

DSAL