Keep. Same root as "watch"in Psalms 141:3. (Hebrew. shamreni.)
snares. Authorized Version, 1611, read "snares" (singular) Since 1769, "snares" (plural) Hebrew text is singular.
gins. traps. Short for "engine". an ingenious contrivance. "
Related Commentaries of Psalms 141:9
Psalms 141:9
9 Keep me from the snares which they have laid for me, and the gins of the workers of iniquity.