noun
folk song; ballad; popular song
A traditional or popular song originating from the common people, often rural or regional. The term is somewhat literary and may be encountered in discussions of folklore or older texts.
この地方には古くから伝わる俚謡が数多く残っている。
Many old folk songs have been handed down in this region.
彼は各地の俚謡を採集して本にまとめた。
He collected folk songs from various regions and compiled them into a book.
Compound of 俚 (rustic, vulgar) and 謡 (song, chant). The exact historical derivation is uncertain, but the word has been used in literary contexts to refer to songs of the common people.