Where does “sedum” come from?

sedum (Dutch) comes from Latin sedum, from Latin sedes, from Latin -es, from Latin -o, from Proto-Italic -ōd, from Proto-Indo-European -éad.

Ancestry of “sedum”, step by step

Step	Language	Word	Meaning
1	Latin	sedum	The houseleek; genitive plural of sēdēs
2	Latin	sedes	seat, chair; place, residence, settlement,...
3	Latin	-es	used to form a third-declension feminine abstract...
4	Latin	-o	forms masculine agent nouns, positive and...
5	Proto-Italic	-ōd	—
6	Proto-Indo-European	-éad	—