Smart Definition
Etymology
Pronunciation
orto
rising
ortho-
straight, correct
Orto means rising and is related to the English prefix ortho-0 (straight, correct0). Think of the sun rising 'straight' up in the sky.
noun
  1. rising
    The rising or appearance of a celestial body
    El orto del sol marca el inicio del día. // The rising of the sun marks the beginning of the day.