Literally meaning: “wood sugar”
Origin: Anc Greek
ξύλον/xylon(=wood) >ξύω/xyo(=scrape, rub off)
*-ose = suffix for sugars like gluc-ose
Xylose first first isolated from wood and named for it.
Xylose is a monosaccharite (sugar) with five carbon atoms (pentose) and an aldehyde functional group.