ā and i are optionally substituted for the final of the aṅga (stem) of hā (juhotyādigaṇaḥ (3rd Conjugation)) before the Imperative ending hi,
Thus जहाहि, जहिहि or जहीहि 6.4.113.,
आ च हौ
Adhyāya 6 · Pāda 4 · Rule 117
Adhyāya 6 · Pāda 4 · Rule 117
ā and i are optionally substituted for the final of the aṅga (stem) of hā (juhotyādigaṇaḥ (3rd Conjugation)) before the Imperative ending hi,
Thus जहाहि, जहिहि or जहीहि 6.4.113.,