Manasara 2.27

2.27

caturhastaṃ dhanurdaṇḍe daṇḍāṣṭaṃ rajjumeva ca
yāne ca śayane caiva kiṣkuhastena mānayet

Four cubits make a bow or measuring rod, and eight measuring rods make a measuring cord. / One should measure conveyances and couches with the kiṣku cubit;