matutinal (adj.)

"pertaining to the morning; coming or occurring early in the day," 1650s, from Latin mātūtīnalis "pertaining to morning," from mātūtīnus "of or pertaining to the morning," from Mātūta, name of the Roman goddess of dawn, related to mātūrus "early" (see mature (v.)). Earlier in same sense was matutine (mid-15c.). Related: Matutinally.