This is the 7597th most frequent Japanese word.
利き
"利き" refers to the effect, function, or effectiveness of something, often used in contexts like skill or discerning ability (e.g., tasting or judging).
In this sentence, '利き' refers to the effect or efficacy of the tea.
このお茶の利きを試してみたい。
I want to test the efficacy of this tea.
'利き' is used as '利き手', indicating the dominant or 'efficient' hand for performing tasks.
利き手は右ですか、それとも左ですか？
Is your dominant hand the right hand or the left hand?
Here, '利き' indicates the ability or sensitivity to distinguish flavors, often used in contexts like tasting.