Definition of self-constituted in English:

self-constituted

Pronunciation /ˌsɛlfˈkɒnstɪtjuːtɪd/ /ˌsɛlfˈkɒnstɪtʃuːtɪd/

adjective

  • (Of an institution, body, etc.) established or created by its members, without reference to external authority; (of a person) that has assumed the specified position or role without authority or endorsement.

Origin

Mid 17th century.