Thanks for using this online dictionary, we have been helping millions of people improve their use of the Sinhala language with its free online services. English meaning of ගැස්සෙනවා is as below...

ගැස්සෙනවා : ගැස්සෙනවා, v. i. to start, twitch, quiver; (of a trap) to go off, spring; pret. ගැස්සුණ.