辽阔
liáo kuò · HSK 7
vast
🌊🏜️ 辽 distant + 阔 wide = stretching far and broad: vast
阔 — door 門 + 活 huó (phonetic)
A semantic-phonetic compound: 門 ('door/gate') gives the meaning of a wide opening, while 活 supplies the sound. Originally suggesting a broad gateway, it came to mean 'wide, vast, spacious,' as in 广阔 or 阔气 ('extravagant').