Pronunciation ββββββββββββββββββ /Λker.rus/, [ΛkΙr.rΚs] Latin Etymology ββββββββββββββββββ Probably from Proto-Indo-European *kar- (βhardβ). Noun ββββββββββββββββββ cerrus f (genitive cerrΔ«); β’Turkey oak (tree, Quercus cerris)