Vous avez cherché: per gradus singulos (Latin - Anglais)

per gradus
step by step

non ascendes per gradus ad altare meum ne reveletur turpitudo tu
neither shalt thou go up by steps unto mine altar, that thy nakedness be not discovered thereon.

et venit ad portam quae respiciebat viam orientalem et ascendit per gradus eius et mensus est limen portae calamo uno latitudinem id est limen unum calamo uno in latitudin
then came he unto the gate which looketh toward the east, and went up the stairs thereof, and measured the threshold of the gate, which was one reed broad; and the other threshold of the gate, which was one reed broad.