Abarim Publications' online Biblical Greek Dictionary
νυν
The adverb νυν (nun) is an adverb of time and means "now". It refers to the present time or the issue at hand without much further mystery. It's spelled identical to the Hebrew verb נון (nun), meaning to propagate or increase, but this appears to be a coincidence without significance. Our Greek adverb is used 144 times in the New Testament, see full concordance, and from it derive:
- The adverb νυνι (nun), also meaning "now". The added iota serves as an emphasis; this adverb means "at this very moment". This adverb is used 20 times; see full concordance.