estivo-autumnal
adjective
es·ti·vo-autumnal
variants or less commonly aestivo-autumnal
¦estə(ˌ)vō,
e¦stī(-+
: relating to or occurring in the summer and autumn —used chiefly of a form of malaria
Word History
Etymology
estivo- or aestivo- (from Latin aestivus of summer) + autumnal