This is the 6879th most frequent Russian word.
адай
"Адай" is a term referring to a Kazakh ethnic subgroup.
In this context, 'адай' assists in expressing a polite or casual request directed towards sharing.
Хочешь кофе? Адай её мне, если она ещё осталась.
Do you want coffee? Give it to me if there's still some left.
The word 'адай' is used as the imperative form of the verb 'дать' (to give) in a polite request.
Адай мне, пожалуйста, эту книгу.
Give me this book, please.
Here, 'адай' functions as an imperative directive in a conditional clause, emphasizing the importance of the action.