()やす

はやす
godan verb
to grow (hair, beard)
1. to grow, to let grow
To allow hair, beard, or plants to develop.
ひげを()やす。
To grow a beard.
(かみ)(なが)()やす。
To grow one's hair long.
(ちち)(わか)いころからひげを()やしている。
My father has had a beard since he was young.
(つめ)()やしたまま料理(りょうり)をしないでください。
Please don't cook with long nails.
あの俳優(はいゆう)(やく)のためにひげを()やしたそうだ。
I heard that actor grew a beard for his role.

()やす is a godan verb meaning to grow (hair, beard, etc.) deliberately.

TRANSITIVITY:

  • Type: 他動詞(たどうし) (transitive)
  • Pair: ()える (intransitive: to grow naturally)

COMMON EXPRESSIONS:

  • ひげを()やす: to grow a beard
  • (かみ)()やす: to grow one's hair out
  • (つめ)()やす: to let one's nails grow long
  • ()()やす: to put down roots (also figurative)

NUANCE:
Implies intentional or deliberate growth, unlike ()える which describes natural, spontaneous growth. ()やす suggests agency—the person chooses to let something grow.