Progressively wasting away.
Origin of tabescentLatin tābēscēns tābēscent- present participle of tābēscere to waste away inchoative of tābēre from tābēs a wasting away
(comparative more tabescent, superlative most tabescent)
- Wasting away, or becoming emaciated. [from 19th c.]
From Latin tabescens, present participle of tabescere