Etymograph

English

erythrochloropia

From erythro- + chloro- + -opia.

Formed from erythro- + chloro- + -opia

Proto-Indo-European *h₁rewdʰ- ‘red’

Proto-Indo-European *h₁rudʰrós ‘red’

Proto-Hellenic *erutʰrós ‘red’

Ancient Greek ἐρῠθρός ‘red’

English erythro-

Proto-Indo-European *ǵʰelh₃- ‘green, yellow’

Proto-Indo-European *ǵʰl̥h₃rós

Proto-Hellenic *kʰlōrós ‘greenish-yellow, pale green’

Ancient Greek χλωρός ‘pale green’

English chloro-

Today it means

noun Partial color blindness with ability to distinguish correctly only red and green.

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

Etymograph / erythrochloropia