Where does “soltar” come from?

soltar (Catalan) comes from Catalan solt, from Latin solvo, from Latin sē-, from Latin sex, from Proto-Italic seks, from Proto-Indo-European swéḱs — six.

soltar (Catalan): to release, free

Definitions

to release, free

Ancestry of “soltar”, step by step

Step	Language	Word	Meaning
1	Catalan	solt	unbound, loose
2	Latin	solvo	to loosen, untie, undo; free [up], release, acquit, exempt
3	Latin	sē-	apart-; aside-; away
4	Latin	sex	six; 6
5	Proto-Italic	seks	six
6	Proto-Indo-European	swéḱs	six

Every word from Proto-Indo-European swéḱs →Every word from Latin sē- →Every word from Latin solvo →