- thyroxine (n.)
[thyroxine 词源字典]
- active principle of the thyroid gland, 1915, from thyro-, comb. form of thyroid, + oxy- (apparently a reference to the oxygen atom present in it, but OED has it as a shortening of oxy-indol) + chemical suffix -ine (2), denoting an amino acid.[thyroxine etymology, thyroxine origin, 英语词源]