7.2.82
आने मुक्
Operational rule vidhi
Before the participial ending आन , a verbal अङ्ग (stem) ending in shot अ , gets the augment मुक्.
Word by word (padaccheda)
Right context आने saptamī · ekavacanaSubstitute / term prathamā · ekavacana
- Right context Saptamī (7th case): "when X follows", the operation applies to what precedes (1.1.66 तस्मिन्निति निर्दिष्टे पूर्वस्य). Also a condition or domain ("in the sense of").
- Substitute / term Prathamā (1st case): in operational rules, the substitute or the thing introduced; in definitions, the term or its referent.
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Full reading
आने मुक्
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
Before the participial ending आन , a verbal अङ्ग (stem) ending in shot अ , gets the augment मुक्।
Thus पचमानः, यचमानः ॥
This मुक् is part and parcel of अ only, and not of the anga. For if मुक् be considered as part of the anga, then it will be an intervention, and make the anga end in a consonant and so there will be anomaly in accent. For by 6.1.186, the ल sarvadhatuka affix is anudatta after a stem ending in अ; so if मुक् be considered part of the anga, the stem no longer ends in अ but म्; but if it be considered as a portion of अ only, then the anga still remains अदुपदेश 6.1.186. So the accent of पचमानः and यजमानः is governed by 6.1.186.
An objector may say, "if this be so, then the stem पचम् is still considered as ending in अ, and therefore in पचम् + आन, we should apply the previous sutra 7.2.81, and change अ into इय्" ॥ To this we reply, 'no, it cannot be so; for the त् in अत् 7.2.80 shows that the अ consisting of one matra is to be taken, but when मुक् is added, this अ becomes one matra and half, so the rule 7.2.81 will not apply; because it applies only to अ of one matra'. The objector:- "If this is so, then the anudatta of 6.1.186 will not also hold good, for there also the अत् means the अ of one matra." This is no valid objection. For there the word उपदेश is taken, so that a stem which at the time of upadesa or first enunciation, ends in a short अ of one matra, is governed by that rule; though after the enunciation, the short अ may be lengthened in its matra. It is for this reason that the rule 6.1.186 applies to पचावः and पचामः; though the short अ is subsequently lengthened before व and म by 7.3.101.
Or the sutra may have been made as आनस्य मुट्, and the augment म् would then be added to आन and not to the verbal stem. All the above difficulties would be removed by this view. But then the final अ of पच &c would require to be lengthened before मान by 7.3.101. This objection, however, is not insuperable, for one view of 7.3.101 is that the word तिङि is understood there, so that the lengthening would take place only before a तिङ् affix beginning with a यञ् vowel : and not before any other affix.
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.