The spelling of the expression "light into" might be confusing for English learners because of the silent consonant at the end of the word "light." However, this is due to the silent "gh" letter, which indicates a historical change in pronunciation. In IPA phonetic transcription, "light" is pronounced as /laɪt/, while "into" is /ˈɪn.tuː/. Together, the expression means "to attack or criticize someone severely." Despite the tricky spelling, "light into" is a common colloquial expression in English conversation.
The phrase "light into" is an idiomatic expression that can be used in both literal and figurative contexts. In its literal sense, "light into" refers to shining a strong beam of light onto or into something, typically to illuminate or provide visibility. For example, a searchlight can light into a dark room to reveal its contents. In this sense, "light into" implies the act of illuminating or brightening a particular space.
However, "light into" is more commonly used figuratively to convey an intense or aggressive verbal attack or criticism towards someone or something. When one "lights into" another person verbally, they vehemently criticize or berate them, often in a passionate or forceful manner. This expression implies a sharp and aggressive tone, with the intention to strongly condemn or rebuke the target. It is often used when expressing strong disapproval, anger, or frustration towards another person's actions, behavior, or opinions.
To "light into" someone can also mean to physically attack or assault them, although this usage is less common in everyday language. The figurative usage of the phrase is more prevalent and is often employed to describe verbal confrontations or arguments. It exemplifies a forceful and intense approach to expressing disapproval or anger towards someone or something.
The phrase "light into" has its origins in American English informal language. According to the etymology, the word "light" in this context means to attack or criticize. It is believed to be derived from a sense of "light" meaning to descend suddenly or swoop down upon, which dates back to the 16th century. In this sense, the word "light" suggests a quick movement or action. The word "into" simply denotes the target or object of the attack or criticism. So, when someone "lights into" another person or something, it means they are launching a sudden and strong verbal or physical assault.