Items matching letteru taken from The Art of Illuminating As Practised in Europe from the Earliest Times (1860) (results page 1)
letteru: The letter “U” for example as a decorative initial or drop cap (drop capital letter).
Note that U and V were used interchangeably in older alphabets. ABCDEFGHIJKLMNOPQRSTThUVWXYZ