adverb, noun which may take the genitive case particle 'no'
many times more; several times as much; manyfold
Emphasizes a large multiple or a significant increase; often used with comparatives or verbs of change.
This job is many times harder than my previous one.
His income is several times mine.
Compound of 何 (nan, 'what') + 倍 (bai, 'times, -fold') + emphatic particle も (mo).