HSK5
dòng
cave
Phonosemantic compound. 氵 represents the meaning and 同 represents the sound.
氵 Meaning component
shui, shuǐ
water
氵 is a component form of 水.
同 Sound component
tóng, tòng
together
Seal script
Clerical script
Regular script
洞
cave, grotto; ravine; hole; cave; zero (unambiguous spoken form when spelling out numbers); CL:個|个[gè]
漏洞
leak
洞穴
黑洞
(astronomy) black hole
山洞
cavern
Academia Sinica
Make Me a Hanzi
Unicode
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing
漢語多功能字庫