どれ（どれ）— which one
傘 は どれ ですか。
Which one is the umbrella?
どれどれ
which one
どれ
accent [1]In detail
Words
傘kasaumbrella
はwa(topic marker)
どれdorewhich one
ですdesu(polite sentence ending)
かka(question marker)
Use どれ on its own to ask which of several things someone means. Before a noun, use どの instead: “which book” needs どの, not どれ.
Coco-sensei