Character Familiestop / bottom

空kōng, kòng, kǒng

empty; containing nothing; the sky; the air; in vain; for nothing

空 reads kōng for empty and the sky (空气, 天空), and kòng for unoccupied space or time (有空).

GF0025–2021 character list · 二级
One character pageAll readings and linked senses stay together.

top / bottom

ZDIC: 形声,从穴、工声 — the cave side over 工 as the sound side.

top / bottom · 空

WHOLE CHARACTER

空kōng, kòng, kǒng

empty; containing nothing; the sky; the air; in vain; for nothing

空 reads kōng for empty and the sky (空气, 天空), and kòng for unoccupied space or time (有空).

ZDIC: 形声,从穴、工声 — the cave side over 工 as the sound side.

TOP: THE CAVE/HOLE SIDE — AN EMPTY HOLLOW SPACE

穴xué

cave; hole

Standalone meaning is kept separate from its role in other characters.

In 空: top: the cave/hole side — an empty hollow space Shown with its documented or clearly limited role.

BOTTOM: THE SOUND SIDE 工 (GŌNG)

工gōng

work; labor; skill

Standalone meaning is kept separate from its role in other characters.

In 空: bottom: the sound side 工 (gōng) kōng shares the final -ong and tone 1 with gōng; the initials differ (k-/g-). kòng shifts the tone further.

kōngTone 1
  • empty; containing nothing
  • the sky; the air
  • in vain; for nothing
  • 空气kōngqìair
  • 天空tiānkōngthe sky
  • 空话kōnghuàempty talk
kòngTone 4
  • free; unoccupied (time, room, seat)
  • to leave empty; to vacate
  • a vacancy; an unfilled post
  • 有空yǒu kòngto have free time
  • 空地kòngdìopen ground; a vacant lot
  • 空缺kòngquēa vacancy
kǒngTone 3dictionary
  • hole (equal to 孔)

ZDIC header reading kǒng is an old equal-to-孔 dictionary use; not a modern common reading, so it gets no learner words.

No common modern word is offered for this reading; the dictionary sense remains in Sources.

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