たんしゅく短縮tanshuku
1.

The act of making something shorter in duration, distance, or extent than its original form, often for reasons of efficiency or practicality.

2.

The process by which a specific measurement or time period is decreased, resulting in a more compact version of the original state.

3.

A concept referring to the intentional decrease of a certain measure, such as working hours or class durations, making it more manageable or convenient.

Example:

その橋のおかげで、私達は大いに時間が短縮できた。