Kāśikāvṛttī1: 
caturthyantaṃ pūrvapadaṃ tadarthe uttarapade tadabhidheyārthaṃ yat tadvācinyutta 
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caturthyantaṃ pūrvapadaṃ tadarthe uttarapade tadabhidheyārthaṃ yat tadvācinyuttarapade
prakṛtisvaraṃ bhavati. tatiti caturthyantasya arthaḥ parāmṛśyate. yūpadāru.
kuṇḍalahiraṇyam. yūpaśabda ādyudāttaḥ. kusuyubhyaśca ityatra nititi vartate.
kunḍalaśabdo 'pi vṛṣādibhyaścititi kalapratyayānto 'ntodāttaḥ. rathadāru.
vallīhiraṇyam. rathaśabda ādyudāttaḥ. hanikuṣinīramikāśibhyaḥ kthanityādinā
kthanpratyayaḥ. vallīśabdo ṅīṣaḥ svareṇa antodāttaḥ. tadarthe iti kim? kuberabaliḥ.
prakṛtivikārabhāve svaro 'yam iṣyate.
Kāśikāvṛttī2: caturthī tadarthe 6.2.43 caturthyantaṃ pūrvapadaṃ tadarthe uttarapade tadabhidh See More
caturthī tadarthe 6.2.43 caturthyantaṃ pūrvapadaṃ tadarthe uttarapade tadabhidheyārthaṃ yat tadvācinyuttarapade prakṛtisvaraṃ bhavati. tatiti caturthyantasya arthaḥ parāmṛśyate. yūpadāru. kuṇḍalahiraṇyam. yūpaśabda ādyudāttaḥ. kusuyubhyaśca ityatra nititi vartate. kunḍalaśabdo 'pi vṛṣādibhyaścititi kalapratyayānto 'ntodāttaḥ. rathadāru. vallīhiraṇyam. rathaśabda ādyudāttaḥ. hanikuṣinīramikāśibhyaḥ kthanityādinā kthanpratyayaḥ. vallīśabdo ṅīṣaḥ svareṇa antodāttaḥ. tadarthe iti kim? kuberabaliḥ. prakṛtivikārabhāve svaro 'yam iṣyate.
Nyāsa2: caturthī tadarthe. , 6.2.43 "tadarthe" iti. tasmai idam(), catuthryant See More
caturthī tadarthe. , 6.2.43 "tadarthe" iti. tasmai idam(), catuthryantam(), tasya yorthastadartha ityarthaḥ. kathaṃ punaryūpaśabda ādyudātta? ityāha--"kusuyubhyāñca" ityādi. "pānīviṣibhyaḥ paḥ" (da.u.7.2) ityataḥ "paḥ" ityanuvatrtamāne "kusuyubhyāñca" (da.u.7.5) [kuyubhyāñca--mudritaḥ pāṭhaḥ] iti yūpaśabdaḥ papratyayānto vyutpādyate. tatra "suśṛ()bhyāṃ nicca" (paṃ.u.3.26) ityato niditi vartate, tenādayudātto bhavati. dīrghatvaṃ tu "stuvo dīrghaśca" (paṃ.u.3.25) ityato dīrghagrahaṇānuvṛtteḥ. "kalapratyayāntaḥ" iti. "vṛṣādibhyaścit? (da.u.8.109) ityatra "kalastṛpaśaca" (da.u.8.107) ityataḥ kalapratyayānuvṛtteḥ. "rathaśabda ādyudāttaḥ" iti. hanikuṣinīramikāśibhyaḥ kthan" (da.u.8.107) ityataḥ kalapratyayānuvṛtteḥ. "rathaśabda ādyudattaḥ" iti. "hanikuṣinīramikāśibhyaḥ kthan()" (da.u.8.107) ityataḥ kalapratyayānuvṛtteḥ. "rathaśabda ādyudāttaḥ" iti. "hanikuṣinīramikāśibhyaḥ kthan()" (da.u.6.27) iti kathanpratyayāntatvāt(). "vallīśabdo ṅīṣaḥ svareṇāntodāttaḥ" iti. ṅīṣ()pratyayastu gaurāditvāt(). 4.1.41 veditavyaḥ. "prakṛtivikārabhāve" ityādi. kathaṃ punaḥ sāmānyenocyamānaḥ prakṛtivikārabhāve labhyate? pūrvavadanyatarasyāṃgrahaṇānuvṛtteḥ. tasya ca vyavasthitavibhāṣātvādvakṣyamāṇajñāpakāt()॥
1.Source: Arsha Vidya Gurukulam
2.Source: Sanskrit Documents
