An Etymological Dictionary of the German Language/Sommer

by Friedrich Kluge

Sommer, m., ‘summer,’ from the equiv. MidHG. sumer, OHG. sumar, m.; common to Teut. in a similar form; comp. Du. zomer, AS. sumor, E. summer, OIc. sumar. Sans. samâ, ‘year,’ Zend ham, ‘summer,’ Armen. amaṙn, ‘summer’ (but am, ‘year’), OIr. sam, samrad, Cymr. ham, haf, ‘summer,’ are cognate terms with different suffixes. Comp. Lenz, Winter, and Herbst.