2.2.3
द्वितीयतृतीयचतुर्थतुर्याण्यन्यतरस्याम्
Operational rule vidhi
The words द्वितीय 'second', तृतीय 'third', चतुर्थ 'fourth', तुर्य 'fourth', are optionally compounded with that word which signifies a thing that has parts, provided that the thing having parts is distinguished numerically by unity. The compound so formed is called तत्-पुरुष.
Word by word (padaccheda)
Substitute / term द्वितीय- तृतीय- चतुर्थ- तुर्याणि prathamā · bahuvacanaRight context अन्यतरस्याम् saptamī · ekavacana
- Substitute / term Prathamā (1st case): in operational rules, the substitute or the thing introduced; in definitions, the term or its referent.
- 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").
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Full reading
द्वितीय-
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
The words द्वितीय 'second', तृतीय 'third', चतुर्थ 'fourth', तुर्य 'fourth', are optionally compounded with that word which signifies a thing that has parts, provided that the thing having parts is distinguished numerically by unity. The compound so formed is called तत्-पुरुष।
This also debars sūtra9. By the force of the word 'optionally' used here, 2.2.9. also applies. The prohibition contained in 2.2.11. as to the compounding of a genitive with an ordinal, does not apply here; for that rule can find its scope in other ordinals than those mentioned here.
As द्वितीयं भिक्षायाः=द्वितीयभिक्षा 'second begging'. When we apply sutra 9. we have भिक्षादितीयं. So also with the words तृतीयभिक्षा, चतुर्थभिक्षा, तुर्यभिक्षा.
Vari: -The word तुरीय 'fourth' should also be included. As भिक्षातुरीय or तुरीयभिक्षा.
But we cannot form compounds, for reasons given in the last sutra, of the phrases द्वितीयं भिक्षाया भिक्षुकस्य or द्वितीयं भिक्षाणाम् .
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.