godan verb (-ru), intransitive verb
humble oneself; speak humbly; abase oneself
Used when a person intentionally lowers themselves in speech or attitude, often to show respect to the listener. Common in formal or polite contexts.
彼はいつもへりくだって話す。
He always speaks humbly.
そんなにへりくだらなくてもいいですよ。
You don't have to humble yourself so much.