blockade
n.
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").
v.
late 17c., from blockade, n.. Related: Blockaded; blockading.
〔李〕n. 封锁（block v. 封锁） ←-ade [F，L] 表示“与⋯相关的动作或结果”