Sitzfleisch

From German Sitzfleisch.

• IPA^(key): /ˈzɪtsflaɪʃ/

Sitzfleisch (uncountable)

1. The ability to endure or carry on with an activity.
   • 1947, Frank Vigor Morley, "My One Contribution to Chess", Chess Notes, Faber & Faber (1947):

     Sitzfleisch: a term used in chess to indicate winning by use of the glutei muscles--the habit of remaining stolid in one's seat hour by hour, making moves that are sound but uninspired, until one's opponent blunders through boredom.

   • 2003, Roy Porter, Flesh in the Age of Reason, Penguin (2004), page 203,

     He never dallied with the image, beloved of the Renaissance, of the lean and shrunk-shanked scholar, possessed of infinite Sitzfleisch and inured to pain.

From sitzen (“to sit”) +‎ Fleisch (“flesh”).

• IPA^(key): /ˈzɪt͡sflaɪʃ/

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Sitzfleisch n (genitive Sitzfleisches or Sitzfleischs, no plural)

1. (colloquial) buttocks

   Synonym: Gesäß

2. (colloquial, by extension) ability to sit still, Sitzfleisch

   Diese Tätigkeit erfordert sehr viel Sitzfleisch.

   This activity requires a lot of Sitzfleisch.

• Sitzfleisch in Duden online