νουμηνίαnoumēnía

Same root

• νέοςnéos · G3501"new", i.e. (of persons) youthful, or (of things) fresh; figuratively, regenerate
• μήνmḗn · G3376a month
• ἡμέραhēméra · G2250day, i.e. (literally) the time space between dawn and dark, or the whole 24 hours (but several days were usually reckoned by the Jews as inclusive of the parts of both extremes); figuratively, a period (always defined more or less clearly by the context)

Where it appears

Appears 1 times in the Bible.

• Colossians 2:16 So don’t let anyone condemn you for what you eat or drink, or for not celebrating certain holy days or new moon ceremonies or Sabbaths.