Significance of Atru
Atru is an Egyptian word linked to water and boundaries, possibly connected to Atlantis. More specifically, atru is a unit of measurement. It defines the dimensions of the Field as 309 atru long and 120 atru wide. The term also quantifies the journey in the Hall, totaling 120 atru before reaching the gods of Tuat. Additionally, atru measures the length and width of UR-NEST, providing numerical values for its dimensions.
The below excerpts are indicatory and do represent direct quotations or translations. It is your responsibility to fact check each reference.
Classical concept of 'Atru'
From: The Book of Gates
(1) ATRU is a unit of measurement used to describe the dimensions of the Field, which is three hundred and nine ATRU long and one hundred and twenty ATRU wide.[1] (2) This is a unit of measurement used to describe the dimensions of UR-NEST, specifying its length and width in numerical values.[2] (3) ATRU are one hundred and twenty measures to journey over in the Hall before one arrives at the gods of the Tuat.[3]
From: Ancient Egypt the Light of the World
(1) Atru is an Egyptian word with meanings related to water, flood, boundary, limit, measure, frontier, and embankment, which is connected to the name Atlantis through linguistic transformations.[4]