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1520s, Hebrew word occurring frequently at the end of verse in Psalter. Supposed to be a liturgical direction, perhaps meaning "pause," or perhaps a musical direction to raise the voice (cf. Hebrew base s-l-l "to raise, lift").
a word frequently found in the Book of Psalms, and also in Hab. 3:9, 13, about seventy-four times in all in Scripture. Its meaning is doubtful. Some interpret it as meaning "silence" or "pause;" others, "end," "a louder strain," "piano," etc. The LXX. render the word by daplasma i.e., "a division."