Timespan
span
The brand new Canyon developed over a long time span.
span
The word span is a noun. It can also be a verb meaning to extend over a time period.
interval, lapse of time, period, span, stretch, timespan.
Span.
mature ?
short-span memory
It means the length of time a product will last, or stay fresh.
a life span goal is a, well it seems to be self explanatory. a goal is something that you wish you to accomplish and your life span is how long you live, so you could infer that a life span goal is something that you wish to accomplish over the course of your life time
The word "chronos" has a root that means time.
Expansive span is in that word but the x sound takes the part of the sWide-spanSpanishEspanollife-spanspank