Manasara 64.28

64.28

mānāṅgulamiti proktaṃ dehalabdhāṅgulaṃ bhavet
aṅguladvayamārabhya jātyaṃśama vinodayam

This is called the standard digit, and it is the digit derived from the body; / beginning with two digits, the height develops without loss of class proportions;