detrition
n. உராய்வினால் வரும் நாட்படு தேய்வு.
De*tri"tion, n. Etym: [LL. detritio. See Detriment.] Defn: A wearing off or away. Phonograms which by process long-continued detrition have reached a step of extreme simplicity. I. Taylor (The Alphabet).