GEN 38:14

14 And she did away the clothes of (her) widowhood, and she took a rochet cloth with many wrinkles, and when the clothing was changed, she sat in the way-lot that leadeth to Timnath; for Shelah had waxed, and she had not (yet) taken him into husband, (or for although Shelah was now a grown man, she had not been given to him for a wife).