Āpastambaśulbasūtra with the commentaries of Kapardin, Karavinda and Sundararāja 18.2

वक्रपक्षो व्यस्तपुच्छो भवति । पश्चात् प्राङ् उदूहति । पुरस्तात् प्रत्यङ् उदूहति । एवम् इव हि वयसां मध्ये पक्षनिर्णामो भवतीति विज्ञायते

vakrapakṣo vyastapuccho bhavati | paścāt prāṅ udūhati | purastāt pratyaṅ udūhati | evam iva hi vayasāṃ madhye pakṣanirṇāmo bhavatīti vijñāyate

Devanagari rendered by HREEM from the edition's roman (IAST) text; the IAST is the edition's own.

Sanskrit only: no published translation is held for this verse.