Definition of the word treacherously

The word "treacherously" has its roots in Old French "treacher" which means "to betray" or "to deceive". This Old French word is derived from the Latin "tradere", which means "to deliver up" or "to betray". The Latin verb "tradere" is a combination of "trahere", meaning "to draw" or "to pull", and "dare", meaning "to give". The Latin "tradere" was used to describe the act of handing over or delivering someone or something to harm or danger. The word "treacherously" entered the English language in the 15th century and has retained its meaning of "in a treacherous or deceitful manner". The word has been used in various contexts, including literature, poetry, and everyday language, to describe acts of deceit, betrayal, or wrongdoing.