Where does “preblastoderm” come from?

preblastoderm (English) comes from English blastoderm, from English derm, from Ancient Greek δέρμα, from Ancient Greek γλυφή, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

Ancestry of “preblastoderm”, step by step

preblastoderm traces back through two separate lines of ancestry.

via English blastoderm

StepLanguageWordMeaning
1EnglishblastodermThe germination point in an ovum from which the...
2EnglishdermThe integument of animal; the skin; Alternative...
3Ancient Greekδέρμαskin, hide
4Ancient Greekγλυφήcarving, carved work; hole cut
5Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
6Proto-Indo-European-íh₂
7Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via English pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European -h₂