Correct spelling for the English word "nanous" is [nˌanə͡ʊˈʌz], [nˌanəʊˈʌz], [n_ˌa_n_əʊ_ˈʌ_z] (IPA phonetic alphabet).
There is limited information available regarding the word "nanous", and it doesn't appear to have a widely recognized etymology. It is possible that "nanous" could be a proper noun or a term derived from a particular language or dialect. However, without additional context or information, it is difficult to determine its exact origin or meaning.