Spanish edit

Etymology edit

Inherited from Latin crusta (following metathesis), from Proto-Indo-European *krustós (hardened), from *krews- (to form a crust, begin to freeze). Cognate with English crust. Also, compare English custard, an English descendant of Latin crusta that also underwent similar metathesis.

Pronunciation edit

  • IPA(key): /ˈkostɾa/ [ˈkos.t̪ɾa]
  • Rhymes: -ostɾa
  • Syllabification: cos‧tra

Noun edit

costra f (plural costras)

  1. crust
  2. scab
    Synonym: postilla
  3. snot
    Synonym: moco

Related terms edit

Further reading edit