prolonger
nounEtymology From prolong + -er.
1
One who or that which prolongs, or lengthens in time or space.
- It imparts a sweetness to the breath, is a valuable medicine in all nervous complaints, and is esteemed as a prolonger of life and an exciter of venery.1961, Harry E. Wedeck, Dictionary of Aphrodisiacs, New York: The Citadel Press, page 173: