The phrase "kicks in" is commonly used to describe a sudden onset of an effect or feeling, such as the effect of a medication. This phrase is spelled using the IPA phonetic symbols as /kɪks ɪn/. The first syllable "kicks" is pronounced with a short "i" sound and a hard "k" sound. The second syllable "in" is pronounced with a short "i" sound and a soft "n" sound. This phrase is often used colloquially and has become a part of everyday speech.
Kicks in is a phrasal verb that is primarily used idiomatically to indicate the onset or initiation of an action or event, often referring to the effects or capabilities of something. It describes the moment when a particular process, action, or response starts or becomes noticeable. Typically, it implies a sudden or significant change in a situation.
In colloquial usage, "kicks in" is frequently employed to describe the activation or functioning of a substance, mechanism, or treatment. For instance, the phrase is commonly used when describing the effects of drugs or medications that "kick in" after a certain period of time, indicating the moment when their desired effects become apparent or start influencing the individual.
Furthermore, "kicks in" can also denote the point at which a specific mental or emotional state begins or intensifies. It can be used when someone starts to feel the impacts of a strong emotion, such as excitement, happiness, sadness, or anger. In such contexts, "kicks in" refers to the moment when these emotions become noticeable or take hold of the individual's psyche.
Overall, "kicks in" serves as a flexible expression that conveys the idea of the start or activation of something, whether it is an action, process, effect, or emotional response. Its usage encompasses a wide array of scenarios where a noticeable or significant change occurs.
The phrase "kicks in" originates from the combination of two separate words: "kick" and "in".
The word "kick" originally comes from an Old Norse word, "kikna", which means "bend backwards". It later developed to mean "strike with the foot" or "a sudden forceful movement". The idea of a swift forceful blow transferred metaphorically to other areas, such as feeling a sudden jolt of excitement or pleasure.
The word "in" indicates movement or action occurring within a specified space or context. It has been used in various expressions to denote the initiation of a particular process or event.
So, when "kick" is used in combination with "in", the phrase "kicks in" describes the moment when some action, effect, or change becomes noticeable or takes effect in a certain situation.