blockade (v.) Look up blockade at Dictionary.com
late 17c., from blockade (n.). Related: Blockaded; blockading.
blockade (n.) Look up blockade at Dictionary.com
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").