The sixth note of the musical scale (also spelled 'la'); also an exclamation used casually.
From Italian 'la,' derived from Medieval Latin syllables used in musical notation (ut, re, mi, fa, sol, la, si), which came from a Latin hymn by Guido of Arezzo.
The musical syllables (do-re-mi-fa-sol-la-ti-do) were literally invented by an Italian monk in the 1000s using the opening syllables of a hymn to Saint John—music theory has ancient roots!
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