bend over, stoop, bow
傴 centers on a person bending their body downward: stooping, bowing, or bending over. The meanings all describe a physical posture of lowering oneself.
傴 combines 亻 (person) with 區, which likely contributes the sound and may relate to a bent or curved shape. The exact historical development is uncertain.
A person 亻 beside 區, which looks like a bent container or a stooped shape. Picture someone bowing so low that their body curves like the right side of the kanji.
For ク, imagine a person bending over to pick up a cool stone: cool -> ク, and the stooping motion matches the kanji's meaning.
hunchback; humpback; crookback