Pin added NOT because I think this is an authentic cut, but because it's intriguing because I've never seen anyone cut a bliaut like this before, with a seam across the chest (like the Eura dress), set-in sleeves AND skirt-gathering into an almost Empire-waist.
Limbourg Brothers, Les Très Riches Heures du Duc de Berry (1412). Front-laced kirtle w/o waistseam. [source = Marie-Chantal Cadieux]
Cotehardie - Bonus: It's the same gown as Miranda's wearing in the Tempest painting by John William Waterhouse
Grey Kirtle - Walkway by Arasiyris - http://arasiyris.deviantart.com/art/Grey-Kirtle-Walkway-314150227