What is the meaning of Nen?

none

elder brother

who

nose

some

Nonstandard spelling of nèn.

no, none; used and inflected in the same way as the article ên.

Alternative form of ne (not)

no, not one

none, no-one, nobody

not even (introduces an emphatic negation or exclusion)

nor (introduces each except the first term of a series, indicating that none of them is true)

name

numbered subdivision of a law: paragraph, article, section (of a statute);

clause (of a contract/statute)

boy, male child

ceiling

Alternative form of ne

Nonstandard form of 'n.

Rōmaji transcription of ねん

Obsolete form of ni (neither, nor).

without

heaven

Source: wiktionary.org