To assemble is to bring people or things together into one place, or to put parts together to make a whole.
It comes from Old French *assembler*, from Latin *assimiliare* and *assimulare* influences, but mainly from *ad-* 'to' and *simul* 'together'. The core idea has always been about things or people coming together into a group.
The same mental move is behind assembling furniture and assembling a team: you’re turning scattered pieces into a working whole. Once you see that pattern, words like *assembly*, *assemblage*, and even *disassemble* suddenly feel very logical.
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