कथ्

कथ = mound थ
stone/hand raised
upper side of stone, platform
hand held mound

धातु अर्थ
at वाक्यप्रबन्ध = वाक्य + प्रबन्ध
bound pulled and carried + speech that should be done
compilation of speech that should be done

commentary
this dhatu does not have चंद्र बिंदी. so is ख्या

रूढ अर्थ
saying, narrating, story, take