ETYMOLOGY
from Latin bilinguis (speaking two languages)
from bi- (two) + lingua (tongue, language) + -ous
EXAMPLE
“…Besides this, we having a Greek translation of this history and that of Manetho, by Eusebius and others, this manuscript, like the Rosetta stone, affords a bilinguous inscription, and serves, by its considerable number of proper names, more than any other, to decide upon Champollion’s hieroglyphical system…”
From: The Literary Gazette,
and Journal of the Belles Lettres, Art, Sciences, Etc. for the year 1828.
Saturday, July 19, 1828.
Literary and Learned.
Remarks upon an Egyptian History, in Egyptian Characters,
in the Royal Museum at Turin….
By Dr. G. Seyffarth
Lexicophilia 