asteroid
n.
1802, coined probably by German-born English astronomer William Herschel (1738-1822) from Greek asteroeides "star-like," from aster "star" (see astro-) + -eidos "form, shape" (see -oid).
〔李〕a. 星状的 n. 小行星 [aster =star] ←-oid [GK] 表示“如⋯物（的）”