Definition of réchauffer in English:

réchauffer

Pronunciation /reɪˈʃəʊfe/

verb

(also rechauffer)
rare
  • To warm up again; (chiefly figurative) to rehash, rework.

    Used only in the infinitive.

Origin

Late 19th century; earliest use found in Frank Bullen (1857–1915), merchant seaman and writer. From French réchauffer to warm up again, reheat.