whereto

adv. 何以, 向何处, 为什么, 向那里

释义与例句

adv.
  1. 1.

    To what; to which place, whither?

    古体
  2. 2.

    To what end; wherefore?

    废旧
  3. 3.

    To which.

    古体

词源

From Middle English wherto, equivalent to where + to.

来源：wiktionary