entries → 頓時
TSUMUGU · TOCFL 5 (est.) · 詞
頓時 word · TOCFL 5 (est.)
頓時 ＝ 頓 ＋ 時
ㄉㄨㄣˋ ㄕˊ · dùnshí
adv — at once, all of a sudden, right then

字源 FORM — what the parts do

頓a pause, an instant (停頓)dùn
時time, moment (時候)shí
頓時，停頓的頓，時候的時。
關 · Related
立刻lìkèat once — the plain word登時dēngshíright then — the same job