어원, aster-= star astronaut n. 우주조종사 (an astronaut traveling in a spacecraft *naut-= sailor cf. aeronautics 항공술) asteroid n. 소 유성 (collide with an asteroid) astronomer n. 천문학자 (an astronomer studying various constellations *nom-= manage cf. economy) astrology n. 점성술 (Astrology is thought to be pseudoscience.) disaster n. 재난 (a tsunami disaster *dis-= scatter cf. distribute 분배하다) mid 16th century:..