Where does “plåstra om” come from?

plåstra om (Swedish) comes from Swedish plaster, from Old Norse plástr, from Middle Low German plāster, from Latin emplastrum, from Ancient Greek ἔμπλαστρον, from Ancient Greek ἔμπλαστος, from Ancient Greek ἐμπλάσσω, from Ancient Greek ἐν- — Creates collective nouns, which refer to groups...

plåstra om (Swedish): to patch up (provide with medical treatment (for some less serious injury))

Definitions

to patch up (provide with medical treatment (for some less serious injury))

Ancestry of “plåstra om”, step by step

plåstra om traces back through two separate lines of ancestry.

via Swedish plaster

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

via Swedish öm

Step	Language	Word	Meaning
1	Swedish	öm	sore, tender, sensitive; tender, sensitive;...
2	Old Norse	um	about, concerning; round, past, beyond; over,...
3	Proto-Germanic	umbi	around, about
4	Proto-Indo-European	h₂m̥bʰi	around, on either side of, about; in exchange...
5	Proto-Indo-European	h₂n̥tbʰi	—
6	Proto-Indo-European	h₂énts	forehead; front
7	Proto-Indo-European	h₂ent-	face; forehead; front
8	Proto-Indo-European	h₂en-	on, onto

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