And Laban said, This heap is a witness between me and thee this day. Therefore was the name of it called Galeed;

And Laban said: This heap shall be a witness between me and thee this day, and therefore the name thereof was called Galaad, that is, The witness heap.

And Laban saith, 'This heap is witness between me and thee to-day;' therefore hath he called its name Galeed;

And Laban said, These stones are a witness between you and me today. For this reason its name was Galeed,

And Laban said: "This tomb will be a witness between me and you this day." (And for this reason, its name has been called Gilead, that is, 'Tomb of Witness.')

Et dixit Laban, Cumulus iste sit testis inter me et to hodie. Idcirco vocavit nomen ejus Galhed,

I think these two verses are badly divided, and should be read thus:
Genesis 31:48 - And Laban said, This heap is a witness between me and thee this day.
Genesis 31:49 - Therefore was the name of it called Galeed and Mizpah; for he said, The Lord watch between me and thee, when we are absent one from another.
Mizpah - מעפה mitspah signifies a watch-tower; and Laban supposes that in consequence of the consecration of the place, and the covenant now solemnly made and ratified, that God would take possession of this heap, and stand on it as on a watch-tower, to prevent either of them from trenching on the conditions of their covenant.

And Laban said, this heap is a witness between me and thee this day. A witness of the covenant now about to be made between them that day, and a witness against them should they break it:
therefore was the name of it called Galeed; by Jacob, as before observed; See Gill on Genesis 31:47.