Impediment
来自Big Physics
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late Middle English: from Latin impedimentum, from impedire (see impede).
wiktionary
From Middle English impediment, borrowed from Latin impedimentum.
etymonline
impediment (n.)
c. 1400, from Old French empedement or directly from Latin impedimentum "hindrance," from impedire "impede," literally "to shackle the feet," from assimilated form of in- "into, in" (from PIE root *en "in") + pes (genitive pedis) "foot," from PIE root *ped- "foot." Related: Impedimental.
