5.4.131
ऊधसोऽनङ्
Operational rule vidhi
The syllable अनङ् is the substitute of the final ऊधस् in a बहुव्रीहि समास .
Word by word (padaccheda)
Target ऊधसः ṣaṣṭhī · ekavacanaSubstitute / term अनङ् prathamā · ekavacana
- Target Ṣaṣṭhī (6th case): names what gets replaced, "in place of X" (1.1.49 षष्ठी स्थानेयोगा).
- 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
ऊधसः अनङ्
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
ऊधसः → अनङ्
Replace ūdhasaḥ with anaṅ. Inherited words (anuvṛtti) may add further conditions.
Commentary
The syllable अनङ् is the substitute of the final ऊधस् in a बहुव्रीहि समास ।
As कुण्डमिव ऊधोऽस्याः = कुण्डोध्नी, घटोध्नी ॥ The feminine is formed by adding ङीष् 4.1.25; and these words are always used in this form for the feminine only; no substitution takes place in the masculine, as महोधाः पर्जन्यः; घटोधो धैनुकम् ॥ ऊधस + अन् = ऊधन् 6.4.148. ऊधन् + ङीष् = ऊध्न् + ई (अ being elided by 6.4.134 = ऊध्नी ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.