だした

started (doing), thought up, came up with, assigned, gave

→ 出す
だし pay (money or expenses) + た Past tense
verb · informal, past tense Rare #28,456
started (doing) In compounds, 出す can mean to start doing something, often suddenly.
JA: 雨が降りだした。
EN: It started raining.
thought up, came up with
JA: 新しいアイデアをだした。
EN: I came up with a new idea.
assigned, gave Used for giving someone an assignment or homework.
JA: 先生は宿題をだした。
EN: The teacher assigned homework.
Conjugation of 出す
Indicative past
だした出された

彼はそれを詳しく説明しだした。

He started explaining it in detail.

彼は私達に休み中に書くエッセイの宿題をだした。

He assigned us an essay to write over the break.