Where does “suve” come from?

suve (Occitan) comes from Vulgar Latin suberum, from Latin sūber, from Old High German sūbar, from Proto-West Germanic sūbrī, from Latin sōbrius, from Latin sē-, from Latin sex, from Proto-Italic seks — six.

suve (Occitan): cork

Definitions

cork

Ancestry of “suve”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	suberum	—
2	Latin	sūber	cork oak, cork-tree
3	Old High German	sūbar	clean
4	Proto-West Germanic	sūbrī	sober; clean
5	Latin	sōbrius	sober (not drunk)
6	Latin	sē-	apart-; aside-; away
7	Latin	sex	six; 6
8	Proto-Italic	seks	six
9	Proto-Indo-European	swéḱs	six

Every word from Proto-Indo-European swéḱs →Every word from Latin sē- →Every word from Proto-Italic seks →