" Um, how do you say knife in Ornith?” “Hmm? You mean fetu?” “Fetu.” “No, fetu.” “Fetu.” “Listen to me. It is fetu.” “I am saying fetu!” Sinon snapped, "

― Reki Kawahara , ソードアート・オンライン 23 ユナイタル・リングII [Sōdo āto onrain 23 Yunaitaru Ringu II] (Sword Art Online Light Novel, #23: Unital Ring II)