This is the 14272nd most frequent German word.
herzlich
"Herzlich" means "heartfelt" or "warm" in English.
Here, 'herzlich' is used as an adverb to convey the warmth and sincerity of the welcome.
Herzlich willkommen in unserem Hause.
A warm welcome to our house.
In this sentence, 'herzlich' modifies the verb 'danken' to describe the heartfelt manner in which gratitude is expressed.
Er dankte ihr herzlich für ihre Unterstützung.
He thanked her sincerely for her support.
Here, 'herzlich' is used as an adjective to describe a person's characteristic of warmth and kindness.