The Collaborative International Dictionary
Latescence
Latescence \La*tes"cence\, n.
A slight withdrawal from view or knowledge.
--Sir W.
Hamilton.
Wiktionary
latescence
n. (context rare English) The condition of being latescent; obscurity
Usage examples of "latescence".
In other words it is the negative quality of passiveness either in recoverable latency or insipient latescence.