Combined from Dipper [斗] + Grain / Crop [禾] to compose 科: represents "course".
suborder, subfamily
department, section
ophthalmology
subject, curriculum
maternity and gynecology department
dentistry
pediatrics
otolaryngology
encyclopedia
encyclopedia
study subject, course of study
surgical department
natural science
social science
social sciences, humanities
internist clinic, internal medicine
science
(school) subject, curriculum, course
text book
science
