firm, be(come)கெட்டியாகுkeṭṭiyāku(geṭṭi aahu)(3b intr)become hard, strong, or certain; become solid; become wiry, as body, muscles, etc.; firm up, become established; settle down; set, as cement, plaster, etc.
Usage:
சாதம் மிகவும் கெட்டியாகிவிட்டதுcātam mikavum keṭṭiyākiviṭṭatu
saadam romba geṭṭi aayiḍuccu
The rice has become very firm.