마루 (maru): Floor · Ridge · Crest · Climax — One Korean Sound, Four Meanings

마루 (maru): Floor · Ridge · Crest · Climax — One Korean Sound, Four Meanings
🎯 One Sound, Four Native Meanings
The cool wooden hall of an old Korean house, the ridge of a mountain, the crest of a wave, the peak of a festival — Korean says all four with one pure-native sound: 마루 (maru). The thread? Every one is the highest, foremost part. Follow the four arrows.
⬆️ FLOOR — 대청마루 (dae-cheong-maru)
The raised wooden floor of a traditional house (한옥) — the breezy open hall families gather on in summer: 대청마루 (the main hall), 마룻바닥 (floorboards). It's the raised, central part of the home.
마루에 앉아서 수박을 먹었어요. (Maru-e anj-a-seo su-bak-eul meog-eo-sseo-yo.) — We sat on the wooden floor and ate watermelon.
⬅️ RIDGE — 산마루 (san-maru)
The highest ridge line: 산마루 (mountain ridge), 용마루 (roof ridge), 고갯마루 (top of a pass). 마루 is where a long climb finally levels off at the top.
산마루에 해가 걸렸어요. (San-maru-e hae-ga geol-lyeo-sseo-yo.) — The sun caught on the mountain ridge.
➡️ CREST — 물마루 (mul-maru)
The crest of a wave — its highest point: 물마루. In wave physics, the high point is 마루 (crest) and the low point is 골 (gol, trough). Same native pair, top and bottom.
파도의 마루가 높았어요. (Pado-ui maru-ga nop-a-sseo-yo.) — The crest of the wave was high.
⬇️ CLIMAX — 일의 마루 (il-ui maru)
The height / climax of something in full swing: 일의 마루 (the peak of an affair). It also means the foremost / origin — the native reading of the Hanja 宗 is 마루.
잔치가 마루에 이르렀어요. (Jan-chi-ga maru-e i-reu-reo-sseo-yo.) — The feast reached its height.
⚡ Memory Anchor
Every 마루 is the high, foremost part. The raised hall you sit on, the ridge of a mountain, the crest of a wave, the peak of an event — 마루 is always the top, the main, the single highest point.
⚡ At a Glance
| ⬆️ FLOOR | raised wooden hall | 대청마루 | a hanok floor |
| ⬅️ RIDGE | crest line | 산마루 | a mountain ridge |
| ➡️ CREST | top of a wave | 물마루 | a wave crest |
| ⬇️ CLIMAX | peak of an event | 일의 마루 | the height |
📌 In One Line
마루 (maru) turns one native sound into everything at the top — the raised floor of a hanok, the ridge of a mountain, the crest of a wave, and the climax of an event. And its opposite? 골 (gol) — the trough, the valley, the bottom.
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