Eastertide

noun

Eas·​ter·​tide ˈē-stər-ˌtīd 

: the period from Easter to Ascension Day, to Whitsunday, or to Trinity Sunday

Word History

Etymology

Middle English estertide, from Old English ēastortīd, from ēastor + tīd time — more at tide entry 3

First Known Use

before the 12th century, in the meaning defined above