godan verb (-ru)
Medical jargon borrowed from German 'sterben'. Used informally among healthcare professionals, not in patient-facing communication.
from German Sterben
患者が急変して、そのままステった。
The patient suddenly deteriorated and died.
Standard Japanese verb for 'to die'. ステる is medical slang and not used in general conversation.
Borrowed from German 'sterben' (to die), used as medical jargon.