treachersome
构词拆分
treacher词根/词干
+
-some后缀
(forms adjectives from nouns, verbs, and other adjectives) Characterized by some specific condition or quality, usually to a considerable degree. · (regional or nonstandard) Used to form adverbs from adjectives.
词源说明
释义（英文）
形容词 Adjective
- Characterised or marked by treachery; treacherous