lateral (adj.)youdaoicibaDictYouDict[lateral 词源字典]
early 15c., from Middle French latéral and directly from Latin lateralis "belonging to the side," from latus (genitive lateris) "side" (see oblate (n.)). As a noun, from 1630s, "a side part." As a type of pass to the side in U.S. football, it is attested from 1934. Related: Laterally.[lateral etymology, lateral origin, 英语词源]
ethmoidyoudaoicibaDictYouDict
"A square bone at the root of the nose, forming part of the cranium, and having many perforations through which the olfactory nerves pass to the nose", Mid 18th century: from Greek ēthmoeidēs, from ēthmos 'a sieve'.