Shared ground
Psalm 110:1 reports an oracle: Yahweh speaks and authorizes someone the psalmist calls “my lord.” The core picture is royal court language. The addressee is invited to the place of highest honor—at Yahweh’s right hand—which implies delegated status and backing from the true King.
The promise focuses on enemies. Yahweh himself claims responsibility for the outcome (“I make your enemies…”). The end-state is total defeat and submission, pictured as enemies becoming a footstool under the addressee’s feet.
Where interpretation differs
The main question is who “my lord” is. Some read the line as originally aimed at a historical king in Jerusalem (often associated with David’s royal house), using standard enthronement language about military security and political dominance.
Others read it as pointing beyond any ordinary king to a future ideal ruler. In that reading, the verse is not only court poetry but also a forward-looking promise about an ultimate reign over enemies.
A smaller question is how to take “until.” Some understand it as a victory milestone (“sit here while I bring the enemies down”), not implying that the honored status ends. Others hear “until” as having a more time-limited sense, even if the wider psalm suggests continued rule.
Why the disagreement exists
The text is intentionally compact: it gives Yahweh’s speech and a vivid image, but it does not name the addressee. The phrase “my lord” can function as respect for a reigning king, yet the setting—someone seated beside Yahweh—can also sound like more than a normal political scene. The word “until” can mark a change of situation without clearly stating what happens after.
What this passage clearly contributes
Explicitly, the verse contributes a theology of Yahweh’s active kingship: he appoints, protects, and defeats enemies. It also presents the idea of authorized rule under God: the addressee’s status and victory are grounded in Yahweh’s decree.
By inference, it supports the expectation that the ruler’s security is not merely human strategy but depends on Yahweh’s action, and that opposition to Yahweh’s appointed rule will end in decisive subjection (whether understood as military defeat, political collapse, or comprehensive surrender).