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sneeze: sneeze: [15] The Old English word for ‘sneeze’ was fnēsan, a distant relative of Greek pneuma ‘breath’ (source of English pneumatic). This survived into Middle English as fnese. The letters f and s were very similar in medieval script, so it could have played a part in the late 15th-century emergence of sneeze. Fnese had largely died out by the early 15th century, and it could well be that when printing got into full swing in the 1490s, with many old manuscript texts being reissued in printed form, printers unfamiliar with the old word fnese assumed it had the much more common initial consonant cluster sn-.

Another factor in the equation is the now obsolete verb neeze ‘sneeze’. This was borrowed in the 14th century from Old Norse hnósja, a descendant of the Indo-European base *ksneu-, which also produced German niesen, Dutch niezen, Swedish nysa, Danish nyse, and Russian chikhat’ ‘sneeze’. It bridged the gap between fnese and sneeze, and the new sneeze no doubt struck people as a more expressive alternative to the old neeze. (Both fnese and neeze go back ultimately to an imitation of the sound of breathing, blowing, or sneezing.)
=> pneumatic
corn (n.1): "grain," Old English corn, from Proto-Germanic *kurnam "small seed" (cognates: Old Frisian and Old Saxon korn "grain," Middle Dutch coren, German Korn, Old Norse korn, Gothic kaurn), from PIE root *gre-no- "grain" (cognates: Old Church Slavonic zruno "grain," Latin granum "seed," Lithuanian žirnis "pea"). The sense of the Old English word was "grain with the seed still in" (as in barleycorn) rather than a particular plant.

Locally understood to denote the leading crop of a district. Restricted to the indigenous "maize" in America (c. 1600, originally Indian corn, but the adjective was dropped), usually wheat in England, oats in Scotland and Ireland, while Korn means "rye" in parts of Germany. Maize was introduced to China by 1550, it thrived where rice did not grow well and was a significant factor in the 18th century population boom there. Cornflakes first recorded 1907. Corned beef so called for the "corns" or grains of salt with which it is preserved; from verb corn "to salt" (1560s).
two-step (n.): dance style, 1893, from two + step (n.); so called for the time signature of the music (as distinguished from the three-step waltz). But as the positions taken by the dancers involved direct contact, it was highly scandalous in its day and enormously popular.
A certain Division of an Auxiliary gave a dance not long since. I went and looked on. What did they dance? Two-step, two-step and two-step. How did they dance? When we used to waltz, we clasped arms easily, took a nice, respectable position, and danced in a poetry of motion. Now, girls, how do you two-step? In nine cases out of ten the dear girl reposes her head on the young man's shoulder, or else their faces press each other. He presses her to his breast as closely as possible, and actually carries her around. Disgraceful? I should say so. Do you wonder at the ministers preaching on dancing as a sin, when it looks like this to a woman like myself who believes in dancing and has danced all her life? Mothers, as you love your girls, forbid them to dance after this manner. [letter in the ladies' section of "Locomotive Engineers' Monthly Journal," March 1898]

To the Two Step may be accredited, serious injury to the Waltz, awkward and immodest positions assumed in round dancing, also as being a prominent factor in overcrowding the profession and causing a general depression in the business of the legitimate Master of Dancing. ["The Director," March 1898]
wear (v.): Old English werian "to clothe, put on, cover up," from Proto-Germanic *wazjan (cognates: Old Norse verja, Old High German werian, Gothic gawasjan "to clothe"), from PIE *wos-eyo-, from root *wes- (4) "to clothe" (cognates: Sanskrit vaste "he puts on," vasanam "garment;" Avestan vah-; Greek esthes "clothing," hennymi "to clothe," eima "garment;" Latin vestire "to clothe;" Welsh gwisgo, Breton gwiska; Old English wæstling "sheet, blanket;" Hittite washshush "garments," washanzi "they dress").

The Germanic forms "were homonyms of the vb. for 'prevent, ward off, protect' (Goth. warjan, O.E. werian, etc.), and this was prob. a factor in their early displacement in most of the Gmc. languages" [Buck]. Shifted from a weak verb (past tense and past participle wered) to a strong one (past tense wore, past participle worn) in 14c. on analogy of rhyming strong verbs such as bear and tear. Secondary sense of "use up, gradually damage" (late 13c.) is from effect of continued use on clothes. To wear down (transitive) "overcome by steady force" is from 1843. To wear off "diminish by attrition or use" is from 1690s.