After the verbs lip 'to paint', sic 'to sprinkle' and hve 'to call', aṅ is the substitute of cli when luṅ (Aorist) follows signifying the agent.,
Thus अलिपत् 'he painted or wrote'; असिचत्, 'he sprinkled; and आहूत् 'he called or challenged'.,
लिपि-सिचि-ह्वश् च
Adhyāya 3 · Pāda 1 · Rule 53