demiurge
Concise Oxford English Dictionary © 2008 Oxford University Press:
demiurge /ˈdiːmɪəːdʒ, ˈdɛm-/
▶noun
- 1 (in Platonic philosophy) the creator of the world.
- 2 (in Gnosticism) a heavenly being subordinate to the supreme being, considered to control the material world.
– derivatives
demiurgic /-ˈəːdʒɪk/ adjective,
demiurgical adjective.
demiurgic /-ˈəːdʒɪk/ adjective,
demiurgical adjective.
– origin C17: via eccles. L. from Gk dēmiourgos ‘craftsman’, from dēmios ‘public’ + -ergos ‘working’.
'demiurge' also found in these Oxford entries:

