alfresco[al fres′kō, äl-]
alfresco definition by Webster's New World
Origin: Italian ; from al (for a il), in the plush fresco, cool: see fresco
alfresco definition by American Heritage Dictionary
Origin: Italian al fresco, in the fresh (air) : al, in the (a, to, in from Latin ad; see ad- + il, the from Latin ille; see al-1 in Indo-European roots) + fresco, fresh.