compound (adj.) Look up compound at
late 14c., originally compouned, past participle of compounen (see compound (v.)). Compound eye is attested from 1836; compound sentence is from 1772.
compound (n.2) Look up compound at
"a compound thing," mid-15c., from compound (adj.).
compound (v.) Look up compound at
"to put together," late 14c., compounen "to mix, combine," from Old French compondre, componre "arrange, direct," from Latin componere "to put together" (see composite). The -d appeared 1500s in English on model of expound, etc. Related: Compounded; compounding.
compound (n.1) Look up compound at
1670s, via Dutch (kampoeng) or Portuguese, from Malay kampong "village, group of buildings." Spelling influenced by compound (v.). Originally, "the enclosure for a factory or settlement of Europeans in the East," later used of South African diamond miners' camps (1893), then of large fenced-in spaces generally (1946).