The kanji 巣 generally represents a "nest" or "den," a place where animals, particularly birds, make their homes to lay eggs and raise their young. It signifies a protected space for shelter, dwelling, and nurturing. It can also figuratively refer to a place where something originates or is centered.

・On-yomi (音読み): SŌ ソウ ・Kun-yomi (訓読み): 巣 (su)

⚫︎ 鳥の巣 Translation: Bird's nest ⚫︎ 巣作り Translation: Nest building ⚫︎ 蜂の巣 Translation: Beehive

The kanji 巣 is a pictograph. It depicts a nest. The top part represents the roof or structure of the nest, and the bottom part shows the inner area where eggs or young animals reside. The structure directly represents the function of a nest: a protected place for raising young. Over time, the form has simplified but retains its core meaning and the initial shape of a nest.