7 letters · 11 points in Scrabble
noun DNA that is not incorporated into the genome but is replicated together with the genome (especially in bacterial cells)
originEtymology tree Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁épsder. Proto-Indo-European *h₁epi Proto-Hellenic *epí Ancient Greek ἐπί (epí) Ancient Greek ἐπῐ- (epĭ-)der. English epi- English -some English episome From epi- + -some (“nucleic unit”).
Etymology from Wiktionary, CC BY-SA 3.0