Where does “echinodermic” come from?

echinodermic (English) comes from English echinoderm, from French échinoderme, from French derme, 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 “echinodermic”, step by step

echinodermic traces back through two separate lines of ancestry.

via English echinoderm

StepLanguageWordMeaning
1EnglishechinodermAn animal of the phylum Echinodermata, comprising...
2Frenchéchinodermeechinoderm
3Frenchdermedermis
4Ancient Greekδέρμαskin, hide
5Ancient Greekγλυφήcarving, carved work; hole cut
6Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
7Proto-Indo-European-íh₂
8Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Proto-Indo-European -h₂
echinodermic — Etymology, Origin & Word History | Etymology Explorer