The kanji 苦 (苦) primarily represents the concept of "bitterness," "suffering," "pain," or "difficulty." It conveys a sense of hardship, physical or emotional discomfort, and unpleasantness. This character encompasses both literal and figurative meanings, extending to experiences that are challenging or arduous.

⚫︎On-yomi (音読み): ・く (ku) ⚫︎Kun-yomi (訓読み): ・くる(しい) (kurushii) - painful, difficult ・くる(しむ) (kurushimu) - to suffer, to be in pain

⚫︎苦しい Translation: Painful; difficult; hard ⚫︎苦労 Translation: Trouble; hardship; labor ⚫︎苦味 Translation: Bitterness (taste)

The kanji 苦 (苦) is a phono-semantic compound. ⚫︎The semantic component is 艹 (くさ) (kusa), which means "grass" or "plant." ⚫︎The phonetic component is 古 (こ) (ko), which means "old" or "ancient." The original meaning may have been related to the bitter taste of certain plants or herbs. The combination of the "plant" radical with a sound component suggests the character's association with a type of plant and its characteristic bitterness or unpleasentness. Over time, this evolved to represent a broader meaning of suffering or hardship.