An Etymological Dictionary of the German Language/Annotated/Seidel

by Friedrich Kluge

Seidel, neuter and masculine, ‘pint,’ from the equivalent late Middle High German sîdel, sîdelîn, neuter; from Latin sîtula (Italian secchia, ‘pail’), ‘bucket,’ whence also Old Irish sithal; with regard to the lengthening of Latin ĭ to Middle High German î in an open syllable, see Schule, and for d representing t, see Seide.