Case that is recalled involving you in Calais (4)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

IE (i.e. = abbreviation for Latin id est = that is), reversed (recalled), around TU (“you” in French, so in Calais in northern France). French-derived word ( étui ) for a small ornamental case, typically one used to hold items such as sewing needles and scissors.