sito-
Word Origin
1 
a combining form meaning “grain,” “food,” used in the formation of compound words:
sitomania; sitosterol.
Origin
< Greek sīto-, combining form of sîtos grain
Related Words
- sitology
- sitomania
- sitophobia
- sitosterol
sito-a word element referring to food.
[Greek, combining form of sitos food made from grain]1864 Webster, Sitology. [ Hence in recent Dicts.] 
1882 Ogilvie's Imperial Dict. IV. 93/2Sitomania, morbid repugnance to or refusal of food. 
Ibid. ,Sitophobia may consist in repugnance to all food, or merely to particular viands. It is a frequent accompaniment of insanity. 
1902 Brit. Med. Jrnl. 4 Jan. 1The gastric condition of twenty insane patients who manifested sitophobia. 
ORIGIN: from Greek  sitos  food made from grain, bread: see -o- 
sito-
combining form 
Etymology: Greek, from sitos 
1. : grain 
< Sitophilus >
< sitosterol >
2. : food 
< sitology >
1.
< Sitophilus >
< sitosterol >
2.
< sitology >
sito-
Prefix
- Forms terms related to food, especially to grain