The kanji character 煮 (ni) primarily means "to cook" or "to boil." It specifically refers to the process of cooking food by immersing it in liquid (usually water) and applying heat. This includes boiling, simmering, stewing, and similar cooking methods. The essence of 煮 involves applying heat to something in a liquid to soften it, infuse flavors, and make it edible.

・On-yomi (音読み): シャ (sha) ・Kun-yomi (訓読み): 煮（に） (ni)

⚫︎ 煮物（にもの） Translation: Simmered dishes; boiled food; stewed food. ⚫︎ 煮る（にる） Translation: To boil; to cook by boiling; to simmer. ⚫︎ 煮込み（にこみ） Translation: Stew; something that is stewed; simmering.

The kanji 煮 is a phono-semantic compound (形声文字; keisei moji). The left side of the character is the radical "water" (氵, 氵, or 水), indicating the involvement of liquid, which is the medium for cooking. The right side is 者 (sha), which acts as the phonetic component, conveying the sound, and has the original meaning of "someone." The combination signifies the action of cooking something (someone) in water.