Origin: Germanic Old English suffix
Mellowness has 6 different meanings across 1 category:
a feeling of good humor and sympathy through maturity or intoxication or a relaxed state
a taste (especially of fruit) that is ripe and of full flavor
the property of a sensation that is rich and pleasing
"the music had a fullness that echoed through the hall"
"the cheap wine had no body, no mellowness"
"he was well aware of the richness of his own appearance"
geniality, as through the effects of alcohol or marijuana
The property of being mellow.