[1400–50; late ME (Scots) a(i)rt ‹ ScotGael àird point, quarter of the compass; c. Gk árdis arrowhead. The borrowing of Scots airt from ScotGael àird is exact since ScotGael d is totally voiceless and àird sounds like E arch]This word is first recorded in the period 1400–50. Other words that entered Englishat around the same time include: curl, mature, oblique, separate, transit