Since the newly formed one is a धातु, all the प्रत्ययऽ that are applicable to धातु are applicable. Hence, चिकीर्षति-चिकीर्षतः-चिकीर्षन्ति on तिङ्-लट्-लकार, चिकीर्षु on a कृत-प्रत्यय-उ etc | Since the newly formed one is a धातु, all the प्रत्ययऽ that are applicable to धातु are applicable. Hence, चिकीर्षति-चिकीर्षतः-चिकीर्षन्ति on तिङ्-लट्-लकार, चिकीर्षु on a कृत-प्रत्यय-उ etc |