Where does “euchromosome” come from?

euchromosome (English) comes from English eu, from Ancient Greek εὖ, from Ancient Greek ἐΰς, from Proto-Hellenic ehu-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.

Ancestry of “euchromosome”, step by step

euchromosome traces back through two separate lines of ancestry.

via English eu

StepLanguageWordMeaning
1Englisheu
2Ancient Greekεὖwell
3Ancient Greekἐΰςgood, brave, noble
4Proto-Hellenicehu-good
5Proto-Indo-Europeanh₁su-good
6Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast

via English chromosome

StepLanguageWordMeaning
1EnglishchromosomeA linear arrangement of condensed DNA and...
2GermanChromosomchromosome
3Ancient Greekχρῶμαskin (esp. the human body)
4Proto-Indo-Europeangʰreuto grind, rub
Every word from Proto-Indo-European h₁wes-Every word from Proto-Indo-European h₁su-Every word from Proto-Hellenic ehu-