- 1Greco-Roman worldkyrios — master
Owner, lord; in the empire, increasingly a title claimed by Caesar.
- 2SeptuagintThe divine Name
Stands in for YHWH thousands of times — Kyrios is God's own title.
- 3Philippians 2:11'Jesus Christ is Lord'
An early hymn gives Jesus the Name above every name — Kyrios.
- 4Romans 10:9,13Call on the Lord
Confess Jesus as Kyrios and be saved — applying Joel's YHWH text to him.
- 5Caesar vs ChristQuiet treason
'Jesus is Lord' answered the empire's 'Caesar is lord' — and cost lives.
The word that stood in for the Name
Israel would not pronounce the sacred Name. Reading aloud, they said 'Adonai' (Lord); translating into Greek, they wrote Kyrios. So the most ordinary Greek word for 'master' became, in the Bible, the spoken form of the holiest Name.
'Jesus is Lord'
The earliest Christian creed was two words: Kyrios Iēsous — 'Jesus is Lord.' Paul takes Isaiah 45 ('to me every knee shall bow'), spoken by YHWH who shares his glory with no other, and applies it to Jesus (Phil 2). He takes Joel's 'everyone who calls on the name of the LORD shall be saved' and makes the name Jesus (Rom 10). To call Jesus Kyrios was to set him where only Theos belongs — and, in a world where 'Caesar is lord' was the loyalty oath, it could cost you everything.
Where This Word Decides Debates
Kyrios is a primary line of evidence for the deity of Christ: the New Testament transfers YHWH-texts to Jesus by way of this word. Central to the same Christology debates as Logos and Theos.
When This Word Study Proves Too Much
Don't read the divine sense into every 'Lord' — sometimes it is just 'sir.' And the transfer of YHWH-texts is the argument; merely counting the title isn't.