Etymology
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Words related to odor

acrylic (adj.)
1843, "of or containing acryl," the name of a radical derived from acrolein (1843), the name of a liquid in onions and garlic that makes eyes tear, from Latin acer "sharp" (from PIE root *ak- "be sharp, rise (out) to a point, pierce") + olere "to smell" (see odor) + -in (see -ine (2)). With adjectival suffix -ic. Modern senses often short for acrylic fiber, acrylic resin, etc.
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anosmia (n.)

"loss of sense of smell," 1811, Modern Latin, from Greek an- "not, without" (see an- (1)) + osmē "smell" (Doric odmē), from *odsme, from PIE root *hed- "to smell" (see odor) + abstract noun ending -ia.

deodorant (n.)

1848, "a deodorizer," originally of substances to quell the odor of manure, formed in English as if from de- + Latin odorantem, from odor "smell" (see odor (n.)). In reference to a substance to be used on the human body, from 1860. An earlier version, a perfumed powder, was called empasm (1650s), from Greek *empasma "to sprinkle on."

lachrymose (adj.)
also lacrymose, 1660s, "tear-like," from Latin lacrimosus "tearful, sorrowful, weeping," also "causing tears, lamentable," from lacrima, lacryma "a tear," a dialect-altered borrowing of Greek dakryma "a tear," from dakryein "to shed tears, weep, lament with tears," from dakry "a tear" (from PIE *dakru- "tear;" see tear (n.1)). Meaning "given to tears, tearful" is first attested 1727; meaning "of a mournful character" is from 1822. Related: Lachrymosely.

The -d- to -l- alteration in Latin is the so-called "Sabine -L-"; compare Latin olere "smell," from root of odor, and Ulixes, the Latin form of Greek Odysseus. The Medieval Latin practice of writing -ch- for -c- before Latin -r- also altered anchor, pulchritude, sepulchre. The -y- is pedantic, from the former belief that the word was pure Greek. Earlier in the same sense was lachrymental (1620s). Middle English had lacrymable "tearful" (mid-15c.).
odoriferous (adj.)
early 15c., "that has a scent," with -ous + Latin odorifer "spreading odor, fragrant," literally "bearing odor," from odor "a smell, a scent" (see odor) + ferre "to bear, carry," from PIE root *bher- (1) "to carry," also "to bear children." Usually in a positive sense.
odorous (adj.)

"fragrant, emitting a smell or scent," early 15c., from Medieval Latin odorosus, from Latin odorus "having a smell," from odor "a smell, a scent" (see odor). Related: Odorously; odorousness.

odour (n.)
chiefly British English spelling of odor (q.v.); for spelling, see -or.
olfaction (n.)

"sense of smell, faculty of smelling," 1846, noun of action from Latin olfactus, past participle of olfacere "to smell, get the smell of" (transitive), from olere "to emit a smell" (see odor) + facere "to make" (from PIE root *dhe- "to set, put").

olfactory (adj.)

"making or causing to smell; having the sense of smell," 1650s, from Latin olfactorius, from olfact-, past-participle stem of olfacere "to get the smell of, sniff," from olere "emit a smell, give off a smell of" (see odor) + facere "to make" (from PIE root *dhe- "to set, put").

osmatic (adj.)

"having a good sense of smell, having well-developed olfactory organs," 1878, from French osmatique, apparently coined by Paul Broca, from Greek osmē "smell, scent, odor" from PIE root *hed- "to smell" (see odor). Related: Anosmatic.