occipital (adj.)youdaoicibaDictYouDict[occipital 词源字典]
1540s, from Middle French occipital, from Medieval Latin occipitalis, from Latin occiput (genitive occipitis) "back of the skull," from ob "against, behind" (see ob-) + caput "head" (see capitulum).[occipital etymology, occipital origin, 英语词源]