ETYM Latin instans, -antis, p. pr. of instare to stand upon, to press upon; pref. in- in, on + stare to stand: cf. French instant. Related to Stand.
In or of the present month; SYN. inst.
ETYM French instant, from Latin instans standing by, being near, present. Related to Instant.
A point in duration; a moment; a portion of time too short to be estimated or measured; also, any particular moment; SYN. moment, flash, second.