from נָסַךְ; properly, something poured out, i.e. a libation; also a molten image; by implication, a prince (as anointed); drink offering, duke, prince(-ipal).
from נָדַב; properly, voluntary, i.e. generous; hence, magnanimous; as noun, a grandee (sometimes a tyrant); free, liberal (things), noble, prince, willing (hearted).
TRV