तप्

तपँ = त प चंद्र बिंदी
त : (afloat (Tumbi, log), that (class of, way of)) X
प : (जटा, rope, seedling/sprout, Supernumerary limb (oar))
मकार : (inside, surface, outside, pull, push)
tumbi rope inside - lamp

धातु अर्थ
at सन्ताप = सम् ताप = circular reference
at ऐश्वर्य = ईश् + वरट् + ष्यञ् idk
at दाह = दह् + घञ् = भाव of throwing dry grass inside = bhaav of burn