桟橋
さんばし · sanbashi · JLPT N1 · noun
pier
🌊 桟 (wooden post) + 橋 (bridge): a wooden bridge out over the water, where ships tie up
Sounds like 'sun' + 'bash': a bridge-like walkway (橋) built from wooden posts (桟) that extends out over the sea for boats to dock.