honeycomb (n.) Look up honeycomb at Dictionary.com
Old English hunigcamb; see honey (n.) + comb (n). Probably the image is from wool combing. Transferred use, in reference to various structures resembling honeycomb, from 1520s. The image is not found outside English; in other Germanic languages the word for it is "honey-string," "honey-cake," "bee-wafer," etc. Latin has favus, Greek melikerion. As a verb, from 1620s (implied in honeycombed).
germane (adj.) Look up germane at Dictionary.com
mid-14c., "having the same parents," same as german (adj.) but directly from Latin germanus instead of via French (compare urbane/urban). Main modern sense of "closely connected, relevant" (c. 1600) derives from use in "Hamlet" Act V, Scene ii: "The phrase would bee more Germaine to the matter: If we could carry Cannon by our sides," which is a figurative use of the word in the now-obsolete loosened sense of "closely related, akin" (late 15c.) in reference to things, not persons.
horseradish (n.) Look up horseradish at Dictionary.com
also horse-radish, 1590s, Cochlearia armoricia; the common name preserves the once-common figurative adjectival sense of horse as "strong, large, coarse," as in in obsolete horse mushroom (1866), horse-balm (1808), horse parsley, horse-mussel, Old English horsminte "horse mint." The "London Encyclopaedia" (1829) has horse emmet for a large kind of ant and horse marten "a kind of large bee." Also see radish.
Some nations have used the word bull as an augmentative; the English use the word horse, this being no doubt the largest animal of their acquaintance before the southern breeds of oxen were introduced. ["The Annual Review," London, 1804]
nose (n.) Look up nose at Dictionary.com
Old English nosu, from Proto-Germanic *nusus (source also of Old Norse nös, Old Frisian nose, Dutch neus, Old High German nasa, German Nase), from PIE *nas- "nose" (source also of Sanskrit nasa, Old Persian naham, Old Church Slavonic nasu, Lithuanian nosis, Latin nasus "nose"). Used of any prominent or projecting part from 1530s. (nose cone in the space rocket sense is from 1949). Used to indicate "something obvious" from 1590s. Meaning "odor, scent" is from 1894.
Kiv, It could bee no other then his owne manne, that had thrust his nose so farre out of ioynte. ["Barnabe Riche His Farewell to Military Profession," 1581]
Pay through the nose (1670s) seems to suggest "bleed." Many extended meanings are from the horse-racing sense of "length of a horse's nose," as a measure of distance between two finishers (1908). To turn up one's nose "show disdain" is from 1818 (earlier hold up one's nose, 1570s); similar notion in look down one's nose (1921). To say something is under (one's) nose "in plain view" is from 1540s.
hope (v.) Look up hope at Dictionary.com
Old English hopian "have the theological virtue of Hope; hope for (salvation, mercy), trust in (God's word)," also "to have trust, have confidence; assume confidently or trust" (that something is or will be so), a word of unknown origin. Not the usual Germanic term for this, but in use in North Sea Germanic languages (cognates: Old Frisian hopia, Middle Low German, Middle Dutch, Dutch hopen; Middle High German hoffen "to hope," which is borrowed from Low German). Some suggest a connection with hop (v.) on the notion of "leaping in expectation" [Klein].

From early 13c. as "to wish for" (something), "desire." Related: Hoped; hoping. To hope against hope (1610s) "hold to hope in the absence of any justifiction for hope" echoes Rom. iv:18:
Who against hope, beleeued in hope, that hee might become the father of many nations: according to that which was spoken, So shall thy seede bee. [King James Version, 1611]
The Wycliffite Bible (c. 1384) has this as "Abraham agens hope bileuede that he schulde be maad fadir of manye folkis."
cell (n.) Look up cell at Dictionary.com
early 12c., "small monastery, subordinate monastery" (from Medieval Latin in this sense), later "small room for a monk or a nun in a monastic establishment; a hermit's dwelling" (c. 1300), from Latin cella "small room, store room, hut," related to Latin celare "to hide, conceal."

The Latin word represents PIE root *kel- (2) "to cover, conceal" (source also of Sanskrit cala "hut, house, hall;" Greek kalia "hut, nest," kalyptein "to cover," koleon "sheath," kelyphos "shell, husk;" Latin clam "secret;" Old Irish cuile "cellar," celim "hide," Middle Irish cul "defense, shelter;" Gothic hulistr "covering," Old English heolstor "lurking-hole, cave, covering," Gothic huljan "cover over," hulundi "hole," hilms "helmet," halja "hell," Old English hol "cave," holu "husk, pod").

Sense of monastic rooms extended to prison rooms (1722). Used in 14c., figuratively, of brain "compartments;" used in biology by 17c. of various cavities (wood structure, segments of fruit, bee combs), gradually focusing to the modern sense of "basic structure of living organisms" (which OED dates to 1845).

Electric battery sense is from 1828, based on original form. Meaning "small group of people working within a larger organization" is from 1925. Cell body is from 1851; cell division from 1846; cell membrane from 1837 (but cellular membrane is 1732); cell wall from 1842.