Terminus
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Boundary; a limit, either of space or time. The phrases "terminus a quo" and "terminus ad quem" are used, respectively, to designate the storting point and terminating point of a private way. In the case of a street, road, or railway, either end may be, and commonly is, referred to as the "terminus." Terminus annornm certns debet esse et determinatus.
Co. Litt. 45.
A term of years ought to be certain and determinate. Terminus et feodum non possunt eon-stare simul in una eademque persona.
Plowd. 29.
A term and the fee cannot both be in one and the same person at the same time.