noun-modifying (irregular)
Emphatic literary adverb modifying adjectives or verbs to express a high degree; often used in formal or written contexts. Functions prenominally when modifying a noun.
かくも美しい景色を見たことがない。
I have never seen such a beautiful landscape.
かくも多くの人々が集まったのは初めてだ。
It is the first time that so many people have gathered.