先さき立だてる

ichidan verb, transitive verb

send ahead; have someone go first

Used when the subject causes another person to go ahead or precede them, often in a physical or sequential sense.

• 彼かれを先さき立だてて、私わたしたちは後あとから行いった。

  We sent him ahead and followed later.

• お客きゃく様さまを先さき立だててください。

  Please let the guest go first.