Component

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mid 17th century: from Latin component- ‘putting together’, from the verb componere, from com- ‘together’ + ponere ‘put’. Compare with compound1.

wiktionary

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Borrowed from Latin compōnēns, compōnēntis, present participle of compōnō(“assemble, put together”).

etymonline

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component (n.)

1640s, "constituent part or element" (earlier "one of a group of persons," 1560s), from Latin componentem (nominative componens), present participle of componere "to put together, to collect a whole from several parts," from com "with, together" (see com-) + ponere "to place" (see position (n.)). Related: Componential.

Meaning "mechanical part of a bicycle, automobile, etc." is from 1896. As an adjective, "constituent, entering into the composition of," from 1660s.