Efflux
Defined in 3 dictionaries — Cyclopedic (1922), Ballentine's (1916), Black's (1910)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
Running of time; expiration by lapse of time.
Ballentine's Law Dictionary
James A. Ballentine · 1916
The flow of time.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
The running of a prescribed period of time to its end; expiration by lapse of time. Particularly applied to the termination of a lease by the expiration of the term for which it was made.