焼く

From Old Japanese. Appears in the Kojiki of 712 CE, and in the Man'yōshū completed some time after 759 CE.^[1][2][3] From Proto-Japonic *yaku.

• (Tokyo) やく (Heiban – )^[4][5][6][7]
• IPA^(key):

焼(や)く • (yaku) transitive godan (stem 焼(や)き (yaki), past 焼(や)いた (yaita))

1. to change something by means of fire, light, chemicals, or other means:
   1. to burn
      1. to set on fire, to light on fire
      2. to burn to ashes
   2. to burn (to write data to a permanent storage medium)
   3. to use heat or flame to prepare something for eating or using:
      1. (cooking) to grill
      2. (cooking) to broil
      3. (cooking) to fry
      4. (cooking) to toast
      5. (cooking) to roast
      6. (cooking) to bake
      7. (pottery) to fire
   4. to apply moxibustion
   5. to expose to sunlight and cause to change color: to tan one's skin
   6. (photography) to print a photograph by shining a light through a negative
   7. to rub chemicals
   8. to have a sensation, to burn (the heart)
2. (figuratively) to convey feelings from the heart:
   1. to worry
   2. to care
   3. 妬く: to envy, to be jealous
   4. to make someone happy

焼(や)く • (yaku) intransitive ^†nidan

1. (obsolete) to change on its own by means of fire, light, chemicals, or other means: to burn, to tan, to be cooked

The intransitive use of yaku is now obsolete, and has been superseded by the modern form 焼ける (yakeru).