noun which may take the genitive case particle 'no', noun
many; numerous; a great number of
Dated literary term; in modern Japanese, 多くの or たくさんの are far more common. Still encountered in older texts or formal writing.
数多の困難を乗り越えて、彼は成功した。
He overcame numerous difficulties and succeeded.
この寺には数多の
Many ancient documents are preserved at this temple.