"feeding on grass," 1739, from gramini-, combining form of Latin gramen (genitive graminis) "grass, fodder" (see gramineous) + -vorous "eating, devouring."
Entries linking to graminivorous
gramineous adj.
1650s, from Latin gramineus "of grass, grassy," from gramen (genitive graminis) "grass, fodder," from PIE *gras-men-, suffixed form of root *gras- "to devour" (see gastric). The Latin adjective also is the source of the botanical order of Gramineae.
-vorous
word-forming element meaning "eating," from Latin -vorous, from stem of vorare "to devour" (from PIE root *gwora- "food, devouring").