降こう下か

noun, noun or participle which takes 'suru', intransitive verb

descent; drop; fall; decrease

Used as a noun or with する for something moving downward, or for a measured value such as air pressure dropping. More formal/technical than everyday 下がる or 落ちる.

• 機き体たいは滑かっ走そう路ろに向むけて降こう下かを始はじめた。

  The aircraft began its descent toward the runway.

• 台たい風ふうが近ちかづくと、気き圧あつが急きゅうに降こう下かすることがある。

  When a typhoon approaches, atmospheric pressure can drop suddenly.

noun, noun or participle which takes 'suru', intransitive verb

passing down an order; transmission of a decree

Rare formal use for an order, decree, or command being handed down from a higher authority to those below; often feels old-fashioned or bureaucratic.

• 古ふるい軍ぐん事じ文ぶん書しょでは、上じょう官かんから命めい令れいが降こう下かするという表ひょう現げんが見みられる。

  In old military documents, one can find the expression that orders are passed down from a superior officer.