HSK10+
kāi
open
Pictograph of two hands (廾) opening the bolt (一) on a door (門).
門 Iconic component
mén
door
◎ Iconic component
characterless component
Depicts a bolt on a door.
廾 Iconic component
gǒng
two hands
Seal script
Clerical script
Regular script
开 (開)
open; initiate, begin, start; to open; to start; to turn on; to boil; to write out (a prescription, check, invoice etc); to operate (a vehicle); carat (gold); abbr. for Kelvin, 開爾文|开尔文[Kāi'ěrwén]; abbr. for 開本|开本[kāiběn], book format
开始
to begin
开
to open
离开
to depart
开心
to feel happy
开发
to develop
Academia Sinica
Make Me a Hanzi
Unicode
Baxter-Sagart
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing
季旭昇《說文新證》p.836