Lexical Definition

‎κυριότης‎ kyriótēs (koo-ree-ot'-ace) lordship ^G:N-F
from ‎κύριος‎

dominion, government.

• mastery, i.e. (concretely and collectively) rulers

Abbott-Smith

*† κυριότης, -ητος, ἡ (< κύριος),
lordship, dominion: Eph 1:21, II Pe 2:10, Ju 8; pl., Col 1:16 (cf. Lft., Col 1:16; Mayor, Ju 8; DB, i, 616 f.).†

Abbott-Smith References

Liddell-Scott-Jones

κυριότης-ότης, ητος, ἡ,

dominion, [NT]

__2 later, concrete, authority, [Refs 6th c.AD+]
__II proper, legitimate use of a term, [Refs 5th c.AD+]; = Latin proprietas, [Refs]

_{LSJ Scripture Refs: Eph.1.21 ☩ Col.1.16}