matutinal

UK: /ˌmætjʊˈtaɪn^əl/ US: (mə to̅o̅t′n l, -tyo̅o̅t′-)

WordReference Random House Unabridged Dictionary of American English © 2026

ma•tu•ti•nal  (mə to̅o̅t′n l, -tyo̅o̅t′-), adj. 

1. pertaining to or occurring in the morning;
   early in the day.

• Late Latin mātūtinālis of, belonging to the morning, early, equivalent. to Latin mātūtīn(us) of the morning (Mātūt(a) goddess of dawn + -īnus -ine¹) + -ālis -al¹
• 1650–60

ma•tu′ti•nal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

matutinal / ˌmætjʊˈtaɪn^əl/ adjective

1. of, occurring in, or during the morning

Etymology: 17th Century: from Late Latin mātūtīnālis, from Latin mātūtīnus, from Mātūta goddess of the dawn