This is the 120th most frequent Japanese word.
つ
The Japanese word "つ" is a hiragana character used as a syllable in the language and can also serve as a counter for objects.
Here, 'つ' is used as a counter for general objects, specifying the quantity of apples requested.
一つりんごをください。
Please give me one apple.
In this sentence, 'つ' again serves as a counter, indicating the number of books related to the subject.
彼の本は三つあった。
He had three books.
Here, 'つ' is used within 'いくつか,' meaning 'a few,' showing unspecified or small quantity.