vernal 

‘belonging to spring’

Lexical development traced from the Tamil root:

    E. vernall < La.Lat. vernalis ‘of the spring’ < vernus ‘of spring’ < Lat. ver ‘the spring, spring-time’ < ehr < wesr- < Tamil uṇṇam

Technical words derived from'vernal'

vernal equinox - இளவேனிற்புள்ளி; sweet vernal grass - இளவேனிற்கால இனிப்பு புல்.