Shirabe
甚だ以て

甚だはなはだ

Common Adverb
English jmdict
1
adverb (fukushi) very;greatly;extremely;exceedingly;highly;quite
彼はやたらに故事来歴に詳しいけれど、それが人生の役に立っているのかはなはだ疑問だね。
He has a great storehouse of knowledge about historical details but I seriously doubt that's of any use in life.
English jmdict
1
expressions (phrasesadverb (fukushi) word usually written using kana alone exceedingly
Other forms 甚だもって 【はなはだもって】 · はなはだ以て 【はなはだもって】