jué

take leave of

Words  said at a parting  also provides the pronunciation

Components
言 meaning component

  Meaning component

yán

  

speech

夬 sound,meaning component

  Sound Meaning component

guài

  

parted, decisive

Evolution

訣 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
訣 Regular script Modern

Regular script

Modern
Definitions

() 

jué

take leave of, bid farewell; to bid farewell; tricks of the trade; pithy mnemonic formula (e.g. Mao Zedong's 16-character mantra 十六字訣|十六字诀 on guerrilla warfare)

Most common words with 訣
Freq.
Word
Meaning

秘诀

secret know-how

诀窍

secret

farewell

口诀

mnemonic chant

诀别

to bid farewell