lip
n.
Old English lippa, from Proto-Germanic *lepjon (cognates: Old Frisian lippa, Middle Dutch lippe, Dutch lip, Old High German lefs, German Lefze, Swedish läpp, Danish læbe), from PIE *leb- "to lick; lip" (source also of Latin labium).French lippe is from a Germanic source. Transferred sense of "edge or margin of a cup, etc." is from 1590s. Slang sense "saucy talk" is from 1821, probably from move the lip (1570s) "utter even the slightest word (against someone)." To bite (one's) lip "show vexation" is from early 14c. Stiff upper lip as a sign of courage is from 1833. Lip gloss is attested from 1939; lip balm from 1877. Related: Lips.
v.
c.1600, "to kiss," from lip, n.. Meaning "to pronounce with the lips only" is from 1789. Related: Lipped; lipping.
词根：lip = to leave
来自拉丁语的lip 意为to leave。同义词根有来自拉丁语的linqu/lic/lict。
同源词：
1. eclipse （因离开而没有了、火熄灭了 ec<ex(=out) + lip(=leave)）
n.（太阳、月亮的）食；（势力、名誉等）黯然失色
vt. 遮光；使失色
ecliptic adj.食的；黄道的；(n.)黄道
His accomplishments were eclipsed by those of his famous father. 他的成就与他出名的父亲的业绩相比黯然失色。
2. ecliptic
n.黄道 ec<ex(=out)