verb/u.vʁiʁ/
to open; to begin, to initiate; to open (of a door or a flower); to open, to begin; to turn on, to switch on, to put on (of a device or an appliance)
“À peine arrivé, il a ouvert les hostilités.” — He initiated hostilities almost as soon as he arrived.
Inherited from Middle French ouvrir, from Old French ovrir, obrir, from Vulgar Latin *operīre, alteration of Classical Latin aperīre (“to open”). See also Italian oprire; Catalan obrir.