Definition of obsecrate in English:

obsecrate

Pronunciation /ˈɒbsɪkreɪt/

verb

rare
  • To entreat (a person) earnestly; to implore, beseech, supplicate; to beg (a thing).

Origin

Late 16th century. From classical Latin obsecrāt-, past participial stem of obsecrāre to beseech, entreat, implore from ob- + sacrāre to make sacred, hence lit. ‘to beseech in the name or for the sake of something sacred’.