roots or stems of plants; origin; source; this; the current; root; foundation; basis; (classifier for books, periodicals, files etc)[cedict]
已经
yǐ jīngㄧˇ ㄐㄧㄥ
already[cedict]
科
kēㄎㄜ
branch of study; administrative section; division; field; branch; stage directions; family (taxonomy); rules; laws; to mete out (punishment); to levy (taxes etc); to fine sb[cedict]