An Etymological Dictionary of the German Language/Speck
Appearance
Speck, m., ‘bacon, lard, fat,’ from the equiv. MidHG. spëc (ck), OHG. spëcch, m.; corresponding to Du. spek, AS. spic, OIc. spik, n., ‘blubber.’ A primit. Teut. term, which is usually connected with Sans. pîvan, ‘fat,’ Gr. πίων, ‘fat,’ Zend pivaṅh, ‘bacon,’ the w being assumed to be changed into q (see feck and Speichel).