Lexical Definition

‎κτίστης‎ ktístēs (ktis-tace') creator ^G:N-M
from ‎κτίζω‎

Creator.

• a founder, i.e. God (as author of all things)

Abbott-Smith

κτίστης, -ου, ὁ (< κτίζω), [in LXX: II Ki 22:32 (Heb., al.), Jth 9:12, Si 24:8, II, IV Mac5*;]
1. (cl.) a founder.
2. a creator: of God, I Pe 4:19.†

Abbott-Smith References

Liddell-Scott-Jones

κτίστης-της, ου, ὁ,

founder, [Refs 4th c.BC+]; of Apollo as founder of Cyrene, [Refs]; ὁ τῆς στοᾶς κ., i.e. Zeno, [Refs 2nd c.AD+]

__2 builder, [Refs 3rd c.AD+]
__II restorer, τῆς πατρίδος [Refs 1st c.AD+]
__III [LXX]