作らせた

had someone make, had ... made

→ 作る
作ら to make; to cook + せ causative + た Past tense
verb · past tense Rare #35,029
had someone make, had ... made Past form of the causative; often used when arranging for something to be made.
JA: 彼女は店にケーキを作らせた。
EN: She had the shop make a cake.
Conjugation of 作る

私は新しい服を作らせた。

I had new clothes made.

彼は新しい服を作らせた。

He had new clothes made.

彼はその鍵で合鍵を作らせた。

He had a duplicate key made from that key.

それは特別に作らせたの

I had that custom-made.

— グッドフェローズ (1990)