A primitive root (probably identical with nacak through the idea of fusion); to interweave, i.e. (figuratively) to overspread -- that is spread.
see HEBREW nacak
H5259. nasak
II. [נָסַךְ] verb weave (Arabic has same meaning); —
Qal Passive participle feminine נְסוּכָה Isaiah 25:7; perhaps also Infinitive construct לִנְסֹךְ 30:1; on both see following