After words of direction ending in añc there is luk elision of the affix astāti,
Thus प्राक् or प्रत्यक्; प्राच्यां दिशि वसति = प्राग् वसति, प्रागागतः, प्राग्रमणीयम् ॥ The feminine affix of प्राची is also elided, when the taddhita affix is elided by लुक् ॥ See (l. 2. 49).,