combining form
or xantho-
Etymology: New Latin, from Greek, from xanthos; perhaps akin to Old High German hasan gray — more at hare
1. : yellow
xanth oma
xanth elasma
xantho derma
2. : xanthic acid
xanth ate
3. : yellow or yellowish and ammoniacal — in names of salts of cobalt
xantho cobaltic chloride