Strong's H4541מַסֵּכָה: properly, a pouring over, i.e. fusion of metal (especially a cast image); by implication, a libation, i.e. league; concretely a coverlet (as if poured out) KJV:covering, molten (image), vail.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 1375: נָסַךְnāsak — pour out; pour out libations, cast metal images; pour out as libation; be poured out; pour, cast, anoint; cover, melt, offer, set