Grammar › N2 · 09 Limits and inclusion
〜はもとより: not to mention; of course
N2 · 09 Limits and inclusion
Names an obvious first example, then adds another one.
Noun + はもとより + (also) another noun. Formal and written. The first thing is the natural, expected one, and the second is added. Similar to 〜はもちろん but more formal.
Examples
彼女は英語はもとより、中国語やフランス語も話せる。
She speaks not only English, of course, but also Chinese and French.
この町は国内はもとより、海外からも観光客が訪れる。
This town is visited by tourists not only from within the country, but also from abroad.