John Gill Commentary Genesis 24:57

"And they said, We will call the damsel, and inquire at her mouth." — Genesis 24:57 (ASV)

And they said, we will call the damsel
Who perhaps through modesty had withdrawn herself to her own apartment, while the man and her friends were discoursing on this subject: and inquire at her mouth ;
what she says to it, whether willing to go directly or not; the matter in question was referred to her, and left to her decision.