sitsome

From sit +‎ -some. Compare German sittsam (“decent, demure, prudish”), Swedish sedesam (“decent, modest, prim”). Compare setsome.

sitsome (comparative more sitsome, superlative most sitsome)

1. Tending to, apt to, prone to, or desirous to be seated or sitting; sedentary; stationary.
   • 1872, Thomas Adolphus Trollope, The Stilwinches of Combe Mavis:

     "You'll kindly excuse me if I don't raise, honourable and reverend sir; after dinner, and being stout, a body feels sitsome, you know," said the lady, putting out a fat and jewel-laden hand to her visitor.

• Moisset, mitoses, osmites, somites