When wondering about Jewish customs it is always better to go to a Jewish source as xtians have a tendency to warp whatever the fuck they read into something they think they can use to certify their god boy.
For your reading pleasure.
http://www.jewishencyclopedia.com/view.j...9&letter=A
For your reading pleasure.
http://www.jewishencyclopedia.com/view.j...9&letter=A