管

A phono-semantic compound:

竹 (“bamboo”) — semantic element, indicating objects made of bamboo such as pipes or flutes.

官 (gwan/guan, “official”) — phonetic element, providing the sound.

Original meaning: a bamboo tube/pipe (for music, liquids, or air).

From the pipe’s function of directing flow, the meaning expanded to “to regulate, to manage, to control.”

Later developed figurative senses: “to take responsibility,” “to guarantee effectiveness,” and even “to meddle, to interfere.”

水管 (수관) — water pipe

笛管 (적관) — flute pipe, musical tube

管理 (관리) — management, to manage

主管 (주관) — to take charge of, be responsible for

管制 (관제) — regulation, control

保管 (보관) — safekeeping; to guarantee, to assure

不管 (불관) — regardless of; no matter what

The metaphor of a pipe controlling water flow is central: from controlling flow - controlling affairs.

In Classical Chinese, 管 was also used as a musical instrument name (pipe/flute), still preserved in words like 管樂 (wind instruments).