loanword       
noun [ C ]  language specialized uk/ˈləʊn.wɜːd/ us/ˈloʊn.wɝːd/
 外来语
a word taken from one language and used in another
  diacritic marks used in loan words like the French "naïveté"  外来语中的变音符,如法语“naïveté” 
 Compare: loan translation
See also: loan noun