1773, from Japanese ginkyo, from Chinese yin-hing, from yin "silver" + hing "apricot" (Sino-Japanese kyo). Introduced to New World 1784 by William Hamilton in his garden near Philadelphia; also formerly known as the maidenhair-tree (1773), from resemblance of the tree's leaves to the maidenhair fern (late 14c.).
system of Romanized spelling for Chinese, 1963, from Chinese pinyin "to spell, to combine sounds into syllables," from pin "put together" + yin "sound, tone." Adopted officially by the People's Republic of China in 1958. Outside China gradually superseding the 19c. Wade-Giles system (Mao Tse-tung is Wade-Giles, Mao Zedong is Pinyin).