架子，和做架子的板材
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noun · B1
Shelves thought of together as one thing — the flat boards fixed along a wall or built into a frame, where books, boxes, tools or goods are kept.
層架；架子（總稱）
One way to hold this word: a run of flat boards along a wall, taken as one thing. Not one board — a shelf is one board — but the whole system: the boards, the brackets, the rows. Once you see it as one thing, the word stretches in two directions at once. Backwards, to the plain material the boards are cut from. And in older English, sideways, to any surface that leans the way a ledge does.
可以想成「牆上一整排平放的板子，被當成一件東西」。不是單獨一片——單獨一片是 shelf——而是整組：板子、支架、一排一排。把它看成一件東西之後，這個字就往兩邊伸。往回伸，就到了還沒裁切的板材。在比較舊的英文裡，它也往旁邊伸，用來說任何斜著的面。
From the word’s history
By surface analysis, shelve + -ing. The -ing here is not an action but a thing made and the stuff it is made from.
從字面拆開就是 shelve 加 -ing。這個 -ing 不是動作，而是「做出來的東西」以及「做它用的材料」。
Wiktionary etymology supplied in this packet (kaikki extract, source_ref kaikki:3f6f69a190036ae4:1261793998): “By surface analysis, shelve + -ing.”
One branch