also: スモガスボード
noun
A buffet-style meal with a wide variety of hot and cold dishes, originally Swedish.
from Swedish smörgåsbord
ホテルのレストランでスモーガスボードを楽しんだ。
We enjoyed the smorgasbord at the hotel restaurant.
ビュッフェ is a more general term for a buffet, while スモーガスボード emphasizes the Swedish tradition and variety.
Borrowed from Swedish smörgåsbord, a compound of smörgås (open-faced sandwich) and bord (table).