익다

For a fruit or seed to become ripe.

For raw meat, vegetables, grains, etc., to be changed in taste and characteristics after being heated.

For kimchi, alcoholic bevarage, jang, Korean sauce, etc., to be deliciously fermented.

For the skin to turn red after being exposed to a fire or sunshine for a long time or coming in contact with something hot.

For a thing, timing, atmosphere, etc., to become sufficiently ready or appropriate.