"of or pertaining to flour or meal," 1640s, from Late Latin farinaceus, from Latin farina "flour, meal" (see farina).
Entries linking to farinaceous
farina n.
1707, "dust, powdery substance," from Latin farina "ground wheat, flour, meal," from far (genitive farris) "husked wheat, emmer; grain, flour," from Proto-Italic *fars "flour," from PIE *bhars-, with cognates in Old Irish bairgen "bread, loaf," Welsh bara "bread," Serbo-Croatian brašno "flour, food," Latvian bariba "food," Gothic barizeins "from barley," Old Norse barr "grain," Old English bere "barley;" according to de Vaan perhaps a loan-word from a non-IE language.