- lateral (adj.)
- 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.
- ethmoid
- "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'.