solecism

Where does the word "solecism" come from? It comes from Greek soloikismos, and was adopted directly into English (1570s).

Solecism’s story begins in Greek: soloikismos meant “relating to the colony of Soloi.” Named for Soloi, a Greek colony whose settlers were said to speak Greek poorly. It reached English by 1570s as solecism. Settled as the word for a grammatical mistake or breach of etiquette. Today, solecism means a grammatical mistake, or a breach of etiquette or good manners.

1. Stage 1 · Greek · ancient soloikismos "relating to the colony of Soloi", named for Soloi, a Greek colony whose settlers were said to speak Greek poorly.
2. Stage 2 · English · 1570s solecism "a grammatical mistake, or a breach of good manners", settled as the word for a grammatical mistake or breach of etiquette.