noun, noun or participle which takes 'suru'
vulgarization; becoming vulgar
Archaic noun and suru-verb meaning that something refined or elegant becomes vulgar or commonplace. Rarely used in modern Japanese; encountered mainly in older texts.
古典文学の研究で「俗了」という語を見かけることがある。
In the study of classical literature, one sometimes comes across the word 俗了.
この風習は時代とともに俗了してしまった。
This custom became vulgarized over time.