noun
arrangements; plan; preparations
Refers to advance preparations or a prearranged plan, often for an event or procedure. Common in phrases like 手はずを整える (make arrangements).
旅行の手はずはもう整いました。
The travel arrangements are already in place.
当日の手はずを確認しておきましょう。
Let's confirm the plan for the day in advance.
Compound of 手 (hand, method) and はず (筈, expectation). The exact historical derivation is uncertain, but it likely developed from the idea of a method or plan that is expected to work.