Ourselves is a form of the word "we" and is used when you are referencing something that happened to you and one or more others.
(pronoun)An example of ourselves is a woman saying she and her husband asked themselves if they wanted to buy a house, specifically, "We asked ourselves."
See ourselves in Webster's New World College Dictionary
pronoun
Origin: LME ure selves, for Midland ure selven, replacing us selven, lit., us selves
See ourselves in American Heritage Dictionary 4
pron.
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