Dying
来自Big Physics
late 16th century: present participle of die1.
wiktionary
die + -ing
dye + -ing
etymonline
dying (n.)
late 13c., "death, act of expiring, loss of life," verbal noun from die (v.).
dying (adj.)
"in the process of becoming dead, decaying from life," mid-15c., present-participle adjective from die (v.).