• (British) IPA: /ˌkɒnsəbˈstanʃəl/

consubstantial

1. Of the same substance or essence.
   • 1603, Michel de Montaigne, chapter 18, in John Florio, transl., The Essayes, […], book II, printed at London: By Val[entine] Simmes for Edward Blount […], OCLC 946730821 ↗:

     I have no more made my booke, then my booke hath made me. A booke consubstantiall to his Author […].

• Italian: consustanziale, consostanziale
• Spanish: consustancial

• coessential