cinnamon-like plant of tropical regions, late Old English, from Latin cassia, from Greek kasia, from Hebrew q'tsi-ah "cassia," from qatsa "to cut off, strip off bark."
black currant liquor, 1907, from French cassis (16c.) "black currant," apparently from Latin cassia (see cassia). The modern liqueur dates from mid-19c.
fem. proper name, biblical daughter of Job, from Hebrew Qetzi'ah, literally "cassia," the aromatic tree that produces cinnamon.
spice obtained from the dried inner bark of a tree in the avocado family, late 14c., from Old French cinnamone (13c.), from Latin cinnamum, cinnamomum "cinnamon" (also used as a term of endearment), from Greek kinnamomon, from a Phoenician word akin to Hebrew qinnamon (with ending altered in Greek by folk-etymology). Ceylon cinnamon, the true cinnamon, is used in Britain, but American cinnamon is almost always from the related cassia tree of Southeast Asia and is stronger and sweeter. As an adjective, "of the color of cinnamon, light reddish-brown," 1680s. Related: Cinnamic.