1
Stage 1 of 3
problēma
Greek · ancient
"thing put forward"
Greek, 'pro-', forward, plus 'ballein', to throw
2
Stage 2 of 3
probleme
Old French · medieval
"riddle"
came via Latin 'problema'
3
Stage 3 of 3
problem
English · 1300s
"difficult question"
'no problem' dates from the 1900s
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