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turd [turd 词源字典]: turd: [OE] Turd is an ancient word, traceable right back to Indo-European *drtom. This was formed from the base *dr-, *der- ‘flay, tear’ (source also of English tear), and so etymologically denoted that which is ‘separated’ from the body, like flayed skin, and hence ejected or excreted from the body. It passed into English via prehistoric Germanic *turdam. A distant relative is Latvian dirsti ‘defecate’.
=> tear[turd etymology, turd origin, 英语词源]
flay (v.): Old English flean "to skin, to flay" (strong verb, past tense flog, past participle flagen), from Proto-Germanic *flahan (cognates: Middle Dutch vlaen, Old High German flahan, Old Norse fla), from PIE root *pl(e)ik-, *pleik- "to tear, rend" (cognates: Lithuanian plešiu "to tear"). Related: Flayed; flaying.
spill (v.): Old English spillan "destroy, mutilate, kill," also in late Old English "to waste," variant of spildan "destroy," from Proto-Germanic *spilthjan (cognates: Old High German spildan "to spill," Old Saxon spildian "destroy, kill," Old Norse spilla "to destroy," Danish spilde "lose, spill, waste," Middle Dutch spillen "to waste, spend"), from PIE *spel- (1) "to split, break off" (cognates: Middle Dutch spalden, Old High German spaltan "to split;" Greek aspalon "skin, hide," spolas "flayed skin;" Lithuanian spaliai "shives of flax;" Old Church Slavonic rasplatiti "to cleave, split;" Middle Low German spalden, Old High German spaltan "to split;" Sanskrit sphatayati "splits").

Sense of "let (liquid) fall or run out" developed mid-14c. from use of the word in reference to shedding blood (early 14c.). Intransitive sense "to run out and become wasted" is from 1650s. Spill the beans recorded by 1910 in a sense of "spoil the situation;" 1919 as "reveal a secret." To cry for spilt milk (usually with negative) is attested from 1738. Related: Spilled; spilt; spilling.