Where does “plastre” come from?

plastre (Old Occitan) comes from Vulgar Latin plastrum, from Latin emplastrum, from Ancient Greek ἔμπλαστρον, from Ancient Greek ἔμπλαστος, from Ancient Greek ἐμπλάσσω, from Ancient Greek ἐν-, from Ancient Greek ἐν, from Ancient Greek δέρμα — Creates collective nouns, which refer to groups...

plastre (Old Occitan): plaster

Definitions

plaster

Ancestry of “plastre”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	plastrum	—
2	Latin	emplastrum	plaster, bandage; piece of bark used in budding,...
3	Ancient Greek	ἔμπλαστρον	salve, plaster; a plaster; daub; salve
4	Ancient Greek	ἔμπλαστος	daubed, plastered; daubed on
5	Ancient Greek	ἐμπλάσσω	daub on
6	Ancient Greek	ἐν-	in, within; on
7	Ancient Greek	ἐν	in, on, at; among; in, at, or during the time of
8	Ancient Greek	δέρμα	skin, hide
9	Ancient Greek	γλυφή	carving, carved work; hole cut
10	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
11	Proto-Indo-European	-íh₂	—
12	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

Every word from Proto-Indo-European -h₂ →Every word from Ancient Greek -ῐ́ᾱ →Every word from Ancient Greek ἐν- →