vernal
Concise Oxford English Dictionary © 2008 Oxford University Press:
vernal /ˈvəːn(ə)l/
▶adjective relating or appropriate to spring.
– derivatives
vernally adverb.
vernally adverb.
– origin C16: from L. vernalis, from vernus ‘of the spring’, from ver ‘spring’.
'vernal' also found in these Oxford entries:

