ver·nal
adjective/ˈvɜːnl/
/ˈvɜːrnl/
[only before noun] (formal or literary)- connected with the season of spring
春季的 - the vernal equinox
春分
Word Originmid 16th cent.: from Latin vernalis, from vernus ‘of the spring’, from ver ‘spring’. - the vernal equinox