genitive plural masculine of tibba (adjective)
Etymology. Related to Sanskrit tīvra 'sharp, keen'; Indo-European *steup- 'to push, thrust' (English steep). The sense develops from the concrete image of something pointed or cutting to abstract intensity.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
Lite mode — plain HTML for e-readers and old browsers. Full version