Kautilya's Arthashastra 2.20.26

2.20.26

caturgorutaṃ yojanam //

1 rajju. 2 rajjus are equal to 1 paridesa (square measure). 3 rajjus are equal to 1 nivartana (square measure). The same (3 rajjus) plus 2 dandas on one side only are equal to 1 báhu (arm). 1000 dhanus are equal to 1 goruta (sound of a cow). 4 gorutas are equal to 1 yojana.