Where does “ectoderm” come from?
Ectoderm comes from Ancient Greek ἐκτό- (ekto-, "outside") combined with δέρμα (derma, "skin"), from δέρω (derō, "to skin or flay"), ultimately from Proto-Indo-European der-.
ectoderm (English): Outermost of the three tissue layers in the...
Definitions
- Outermost of the three tissue layers in the...
Ancestry of “ectoderm”, step by step
ectoderm traces back through two separate lines of ancestry.
via French ectoderme
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | French | ectoderme | ectoderm |
| 2 | French | derme | dermis |
| 3 | Ancient Greek | δέρμα | skin, hide |
| 4 | Ancient Greek | γλυφή | carving, carved work; hole cut |
| 5 | Ancient Greek | -ῐ́ᾱ | {{l|en|-ia}}; "suffix forming abstract feminine... |
| 6 | Proto-Indo-European | -íh₂ | — |
| 7 | Proto-Indo-European | -h₂ | Creates collective nouns, which refer to groups... |