डतरच् =
convex + tumbi/float + flow repeat
Predator that bleeds repeatedly,
Convax that flow again
Predator float flow again

रूढ अर्थ
better, typically better of the two

comment
presence of ड is unclear, but it must have been there because there 6.4.143 causes लोप of इ in कतम
from किम्.

सूत्र
5.3.92
5.3.93
5.3.94