[uncommon](noun sg fem nom) "Thank" is charis, which means, in objective sense, "outward grace" or "favour", "beauty", in subjective sense, "grace" or "favour felt",  "kindness", "goodwill", in concrete sense, a "favour" done or returned, "boon", "gratification", "delight",  with many special uses. -- The Greek word translated as "thank" is complicated. It means the appearance of beauty and grace. On the part of a doer, it is "kindness" and "goodwill". On the part of the receiver, it means "thankfulness" and "gratitude". Generally, it means gratification", "delight",  with many special uses. It is the subject of this phrase. It also means "the owed gratitude" and "to be beholden".