10 letters · 15 points in Scrabble
adjective of or relating to the ectoderm
originEtymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁eǵʰs Proto-Hellenic *eks Ancient Greek ἐκ (ek) Proto-Indo-European *h₁én Proto-Indo-European *h₁éntos Proto-Hellenic *entós Ancient Greek ἐντός (entós) Ancient Greek ἐκτός (ektós)der. English ecto- English derm Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin…
Etymology from Wiktionary, CC BY-SA 3.0