blockade (n.)youdaoicibaDictYouDict[blockade 词源字典]
mid-17c., from block (v.) + -ade, false French ending (the French word is blocus, 18c. in this sense, which seems to be in part a back-formation from the verb bloquer and in part influenced by Middle Dutch blokhuus "blockhouse").[blockade etymology, blockade origin, 英语词源]
blockade (v.)youdaoicibaDictYouDict
late 17c., from blockade (n.). Related: Blockaded; blockading.