Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Isaiah 15:2

Grieve for yourselves; for even Debon, where your altar is, shall be destroyed: thither shall ye go up to weep, over Nabau of the land of Moab: howl ye: baldness shall be on every head, [and] all arms [shall be] wounded.

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