Etymograph

English

hematinometer

From hematin + -o- + meter.

A compound of hematin + -o- + meter

Ancient Greek αἷμᾰ ‘blood’

English hematin

Middle English metere ‘one who measures, measurer’

English meter

Today it means

noun A type of haemoglobinometer.

Language periods are conventional ranges, not dates for this word.

Etymograph / hematinometer