adverb
how much; how many; how; to what extent
Archaic interrogative adverb; in modern Japanese, どのくらい, いくら, or どう are used instead.
古典では「なんぼうの金を払うたか」のように使われた。
In classical texts, it was used like 'how much money did you pay?'
adverb
Archaic concessive use, often in patterns like なんぼう...とも; modern equivalents include どんなに...ても or いくら...でも.
「なんぼう苦しくとも、耐えねばならぬ」という古い言い回しがある。
There is an old expression: 'No matter how hard it is, you must endure.'