分ぶんだけ

suffix

in proportion to; just as much as

Attaches to nouns or nominalized phrases to express that something is proportional to or corresponds to the amount, degree, or extent of the preceding element. Often used with verbs like ある, 増える, もらう, etc.

• 努ど力りょくした分ぶんだけ、結けっ果かが出でる。

  You get results in proportion to the effort you put in.

• 食たべた分ぶんだけ、太ふとってしまう。

  You gain weight just as much as you eat.