The affixes yat and tasi come in the sense of 'in the same direction with that' after the word urasa,
Thus उरसा एकदिग् = उरस्थ or उरस्तः ॥ The तसि is read into the sutra by force of the word च ॥,
उरसो यच् च
Adhyāya 4 · Pāda 3 · Rule 114
Adhyāya 4 · Pāda 3 · Rule 114
The affixes yat and tasi come in the sense of 'in the same direction with that' after the word urasa,
Thus उरसा एकदिग् = उरस्थ or उरस्तः ॥ The तसि is read into the sutra by force of the word च ॥,