repetend

A word, sound, or phrase that is repeated; a refrain.

The digit or group of digits that repeats infinitely in a repeating decimal.

In arithmetic, that part of a repeating decimal which recurs continually; the circulate.

Something which is or has to be repeated, as the burden of a song.

That part of a circulating decimal which recurs continually, ad infinitum: — sometimes indicated by a dot over the first and last figures; thus, in the circulating decimal .728328328 + (otherwise .7�8�), the repetend is 283.

A refrain (having repeated words, sounds or phrases)

A repeating decimal