English
icterometer
From icterus + -meter.
Formed from icterus + -meter
Ancient Greek ἴκτερος ‘jaundice’
Latin icterus ‘a yellow bird, otherwise unknown, the sight…’
English icterus
Today it means
noun An instrument for gauging hyperbilirubinemia by measuring the yellowness of the skin.
Language periods are conventional ranges, not dates for this word.
Etymograph / icterometer