turn to

said of objects

(said of objects) To become, to degenerate into. / To consult for advice or help. / To start to do or to use something in an attempt to deal with a difficult and unpleasant situation.

Japanese Meaning

（物事が）変化して、劣化する、または堕落する状態になる / 助言や支援を求めて誰かに頼る・相談する / 困難な状況に対処するために、何かを始める、または使用を始める

What is this buttons?

After decades of neglect, the once-pristine manuscript began to turn to dust.

Google Translation / DeepL Translation

何十年もの放置の末、かつてきれいだった写本は塵と化し始めた。

Details

Sense（1）

(said of objects) To become, to degenerate into.

The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.

Google Translation / DeepL Translation