English

ergogram

From ergo- + -gram.

Formed from ergo + gram

Latin ergō

Middle English ergo ‘thus, consequently, ergo’

English ergo

Ancient Greek γράμμα ‘a small weight, a scruple’

French gramme

English gram

Today it means

noun A diagram illustrating work efficiency.

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

Etymograph / ergogram