To write the Greek Capital Letter Eta With Dasia And Prosgegrammeni symbol ᾙ on keyboard using ALT codes; ALT+8089, justꦇ hold down the ALT key while typing the alt key code 8089. You have to use the numeric keypad of your keyboard. If you don not hav😼e numeric keypad, hold down the Fn and ALT keys while typing the alt code number.