paralysis
n.
1520s, from Latin paralysis, from Greek paralysis "paralysis, palsy," literally "loosening," from paralyein "disable, enfeeble," from para- "beside" (see para-(1)) + lyein "loosen, untie" (see lose).Figurative use from 1813. Earlier form was paralysie (late 14c., see palsy). Old English equivalent was lyft adl (see left, adj.) or crypelnes "crippleness."
〔李〕[para-=beside 旁;lysis=to loosen 松弛 ⇒“(the body)loosening beside(身体)一边松弛无力”→] n. lessening or loss of the power or sensation in any part of the body 瘫痪;麻痹