queasy

Etymology

From Middle English coysy, possibly from Old Norse kveisa (“boil”) ( > Norwegian kveise/kvise), perhaps influenced by Anglo-Norman queisier, from Old French coisier (“to wound, hurt, make uneasy”).

adj

1. Experiencing or causing nausea or uneasiness, often characterized by an unsettled stomach.
   She was in the middle of a gigantic breakfast of coffee and piles of toast, eggs and bacon and a tall glass of milk. It made him queasy to see all that food. 1999, Lucy Honig, The Truly Needy And Other Stories, University of Pittsburgh Press, page 75
2. Easily troubled; squeamish.