Definition of "qualmish"

I awoke rather qualmish, but, dressing and going upon deck, the sharp air recovered me.

1808–10, William Hickey, Memoirs of a Georgian Rake, Folio Society 1995, p. 77

I had sought out a dark corner, since by now I did indeed feel rather qualmish inside my yellow skin.

2001, WG Sebald, translated by Anthea Bell, Austerlitz, Penguin, published 2011, page 53