Etymology From Middle English non- (“not, lack of, failure to”), from Middle English non (“no, not any; not, not at all”, literally “none”) and Old English nān- (prefix), both from Old English nān (“no, not any”), from Proto-West Germanic *nain, from Proto-Germanic *nainaz (“none, nought, zero”), see none. Merged with and reinforced by Middle English non- (“not”), from Old French non- and Medieval Latin nōn (“not”), from Old Latin noinu, noinom, from ne oinom (“not one”).
1
Morpheme Used in the sense of no or none, to show lack of or failure to perform; or in the sense of not, to negate the meaning of the word to which it is prefixed.
nonpayment (“lack of payment, failure to pay”)
nonaggressive (“not aggressive”)
2
Morpheme Not, the negation of the root word (a quality).
nonaboriginal
nonabrasive
2 more examples
nonabstract
Back in the mid-’90s, when Cacioppo was at Ohio State University (he is now at the University of Chicago), he and his colleagues sorted undergraduates into three groups—the non-lonely, the sort-of-sometimes lonely, and the lonely.2013 May 13, Judith Shulevitz, “The Lethality of Loneliness”, in The New Republic, archived from the original on 31 Mar 2015:
3
Morpheme Absence, the absence of the root (a quantity).