instancy

noun

in·​stan·​cy ˈin(t)-stən(t)-sē 

plural instancies

1

: urgency, insistence

2

: nearness of approach : imminence

3

: immediacy of occurrence or action : instantaneousness

Word History

Etymology

inst(ant) entry 2 + -ancy

First Known Use

1515, in the meaning defined at sense 1