lasso
LASS-oh · noun
LatinVulgar LatinSpanishEnglish
Origin
Lasso comes from Spanish lazo, which traces back through Vulgar Latin *laceum to Latin laqueus, meaning a noose or snare.
Journey
The facts given don't describe a specific shift in meaning, only the path of borrowing from Latin into Vulgar Latin, then Spanish, then English.
Related words
Lasso is a doublet of lace, meaning both words descend from the same Latin root, laqueus, but arrived in English by different routes.