Adonai — Lord
אֲדֹנָי
Lord, Master — the emphatic plural of adon; both a divine name in its own right and the spoken substitute for יהוה.
Every synagogue reading speaks Adonai where יהוה is written — the Name honored by substitution. Psalm 110:1's play between YHVH and Adon becomes the NT's favorite text for Messiah's lordship; both traditions meet at this word constantly, sometimes without knowing it.
First occurrence
Gen 15:2 — Abram's first recorded prayer opens 'Adonai YHVH'
Key passages
Isa 6:1 — 'I saw Adonai sitting on a throne, high and lifted up'
Ps 110:1 — 'YHVH said to my Adon…' — the most-quoted verse in the NT
Ps 8:1 — 'YHVH our Adon, how majestic is Your name'
In the Greek Scriptures
Κύριος