à jour
/əˈʒʊə/(also a jour) originally Scottish
adjective
Having perforations or holes, pierced; specifically designating an ornamental openwork pattern on metalwork, leather work, etc., or the technique by which it is produced. Often used postpositively. Also as adverb: in this manner, so as to have such piercings or openwork.
Origin
Mid 16th century. From Middle French, French à jour, lit. ‘(open) to the daylight’, from à to + jour.