开通
kāi tong · HSK 6
to open (a new road or railway line); to set up (a hotline); to launch (a service); to subscribe to (a members-only service); open-minded
🚇🪟 开 (open) + 通 (through) = open a path through — routes, airways, or minds
Think of unblocking a tunnel or cracking a window: you open something so flow can pass through. Works for transit lines going live, fresh air coming in, or a mind becoming receptive to new ideas.
开 — two hands 廾 + door 门 (open gate)
Originally written 開, showing two hands (廾) lifting the bar (一) off a gate (門) to open it. The simplified form 开 keeps the two-hands element and drops the gate. Core meaning 'to open' extended to 'start, operate, bloom'.
通 — 辵 (辶) walk + 甬 yǒng (phonetic)
通 is a semantic-phonetic compound. The 辶 (chuò) component means 'walk' or 'movement', giving the meaning of going through or passing. 甬 (yǒng), originally depicting a hanging bell or a path, supplies the sound. Together they convey 'to pass through, communicate, connect'.