REPETEND
Etymology
From Latin repetendum (something to be repeated)
Noun
repetend (plural repetends)
A refrain (having repeated words, sounds or phrases).
(mathematics) A repeated part in repeating decimals.
Anagrams
• repented
Source: Wiktionary
Rep`e*tend (rp`-tnd"), n. Etym: [L. repetendus to be repeated, fr.
repetere to repeat.] (Math.)
Definition: That part of a circulating decimal which recurs continually, ad
infinitum: -- sometimes indicated by a dot over the first and last
repetend is 283.
Source: Webster’s Unabridged Dictionary 1913 Edition