Meaning of pre-aestival in English:

pre-aestival

(US pre-estival)

Pronunciation /(ˌ)priːˈiːstɪvl/ /ˌpriːiːsˈtʌɪvl/ /ˌpriːɛsˈtʌɪvl/

adjective

  • Occurring or undergoing some process (e.g. flowering) before midsummer.

Origin

Late 19th century; earliest use found in The Century Dictionary.