Dutch word kortstondig comes from Dutch -ig, Dutch kort (Short.), Dutch stond (Age, epoch. Hour. Time; point in time, moment.)

Detailed word origin of kortstondig

Dictionary entry	Language	Definition
-ig	Dutch (nld)	-ed, having (when attached to a noun preceded by an adjective that describes the noun). -y; forms adjectives from nouns.
kort	Dutch (nld)	Short.
stond	Dutch (nld)	Age, epoch. Hour. Time; point in time, moment.
kortstondig	Dutch (nld)	Brief, short-lived.

Words with the same origin as kortstondig