Answer: thein

AnswerCrossword Clue
THEIN"... Crowd" (1988 Donovan Leitch film)
THEINThe "caffein" in tea.
THEINStimulant in tea.
THEINCaffein.
THEINDobie Gray's "... Crowd"
THEIN-- thing (what's currently stylish)
theincaffeine, also THEINE