Recurring

Definitions:

Returning again.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (adjective) (adj.) (adjective)
Applied to that portion of a decimal fraction which repeats itself in the same order of figures- more usually called circulating decimals.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (adjective) (adj.) (adjective)

Usage examples:

They could only be made to pay by raising the rents or cutting down the ever- recurring expenditure on repairs and buildings which are necessary for the welfare of the tenants.
- A Short History of English Agriculture by W. H. R. Curtler
" I think I know a way out of the slough," said Haldane more composedly- his thoughts recurring to his literary hopes-" and if I do, you will not be sorry."
- A Knight Of The Nineteenth Century by E. P. Roe
At one time her brother Charles writes, " Poor Mary's disorder so frequently recurring has made us a sort of marked people."
- Charles Lamb by Barry Cornwall