Ma'anar ƙamus na kalmar "da kyau" ita ce: a cikin yanayi mai daɗi ko sha'awa; ta hanyar da za ta iya jawo hankali ko sha'awa. Siffa ce ta lafazin sifa mai jan hankali, wanda ke nufin samun halaye masu jan hankali ga hankali ko tunani, kamar kyau, fara'a, ko jan hankali. Don haka, idan aka kwatanta wani abu a matsayin abin da aka yi da kyau, yana nuna cewa an yi shi a hanyar da ta dace ko kuma mai jan hankali, kuma mai yiwuwa ta dauki hankali ko kuma sha’awar wasu.