1849 Craig, Sitiology, a treatise upon aliments. 
1858 Mayne Expos. Lex. ,Sitiology,..the doctrine or consideration of aliments..; dietetics. 
1887 Cassell's Encycl. Dict. ,Sitiomania. 
Ibid. ,Sitiophobia. 
1899 Allbutt's Syst. Med. VIII. 379Acute cases with great nutritional disorder, when great insomnia, sitiaphobia , or suicidal impulse is present. [ sic] 
ORIGIN: from Greek  sition  food made from grain, bread: see -o-