And this is the mystery of the ‘line of measure’, which is ו Vav, from that measure which is Yod י. And after She has taken the Holy Name, She is made that measure from bottom to top.
Just as the point י Yod (=10), is a measure for ‘ten curtains’, so is She a ‘cubit’ (amah) of six tephaḥim, from the aspect of the letter Vav (=6), inclusive of ten cubits. It is this that is written: (Ex. 26:16) Ten cubits is the length of the board... and this is the letter Yod י. And a cubit... is the higher Hei.... and half a cubit... is the lower Hei. The length of one cubit – this is Vav. And why is the lower Hei called half a cubit? Because She is called ‘the broken matzah’ – the bread of poverty.