8. Cuckoo, cuculus: Middle of April.
"The-Natural-History-of-Selborne"
White, Gilbert
Now as it appears that this bird, which is so well known to practice incubation, is formed in a similar manner with cuckoos, Monsieur Herissant's conjecture, that cuckoos are incapable of incubation from the disposition of their intestines, seems to fall to the ground: and we are still at a loss for the cause of that strange and singular peculiarity in the instance of the cuculus canorus.
"The-Natural-History-of-Selborne"
White, Gilbert
In these languages the imitative element has received the support of a derivative suffix; we have kokila in Sanskrit, and kokkyx in Greek, cuculus in Latin.
"Lectures on The Science of Language"
Max Müller