This is the 5166th most frequent Arabic word.
بالليرة
"بالليرة" means "in lira" (referring to currency).
In this sentence, the word 'بالليرة' is used to indicate the currency (lira) with which the transaction was made.
دفعت ثمن الكتاب بالليرة.
I paid for the book in lira.
Here, 'بالليرة' refers to the lira as the currency being exchanged into from another currency.
هل يمكنني تغيير الدولار بالليرة هنا؟
Can I exchange the dollar for lira here?
In this context, 'بالليرة' describes the currency in which the prices are given.