英和和英

語源

From how +‎ to.

形容詞

how-to (not comparable)

1. That gives advice or instruction on a particular topic.
   • 2010, Ellen Goodman, Paper Trail: Common Sense in Uncommon Times:

     The Rules is a veritable compost heap of do's and (mostly) don't's for a woman—oops, girl—who wants to master the fine art of womanipulation. It's a how-to book: how to make a man desperate to marry a girl […]

名詞

how-to (plural how-tos)

1. A brief informal description of how to accomplish a specific task.
2. A book or other guide describing how to accomplish tasks in a certain field.

アナグラム

• whoot