Used to express deep gratitude to a guest for visiting or for a gift, meaning their presence has added luster or glory to one's simple dwelling.

(idiom) Lit. "thatch and wicker add luster"; a polite way to thank a guest for visiting or for giving a gift of calligraphy or art.

a polite expression used to welcome a guest, meaning that their visit brings great honor and radiance to the host's modest house