entries → 必要
TSUMUGU · TOCFL 4 (est.) · 詞
必要 word · TOCFL 4 (est.)
必要 =
ㄅㄧˋ ㄧㄠˋ · bìyào
adjective — necessary, essential; noun — necessity

字源 FORM — what the parts do

must, certainly (必須)
to need, to want (需要)yào
必要,必須的必,需要的要。