whose

Meanings

1. 1
   det

   Belonging to which person; used to ask who something belongs to.

   Whose jacket is this on the chair?

2. 2
   det

   Of whom; used to show that something belongs to a person already mentioned.

   This is the man whose dog caused the accident.

3. 3
   pron

   The one or ones belonging to which person.

   Several bags were left behind; whose are these?

From Middle English whos, from Old English hwæs, from Proto-Germanic *hwes, genitive case of *hwaz (“who”) *hwat (“what”).

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