Where does “papoušík” come from?

papoušík (Czech) comes from Czech -ík, from Proto-Slavic -ikъ — *nožь → *nožikъ; *větrъ → *větrikъ; *listъ →...

papoušík (Czech): lovebird, love bird (a small African parrot; one of nine species within the genus Agapornis)