δυσκολία

Translation: difficulty; hardship; challenge (noun)

Etymology: From Ancient Greek δυσκολία (duskolia), from δύσκολος (duskolos) meaning 'hard to please, difficult'. The word is composed of the prefix δυσ- (dus-) meaning 'bad, difficult' and -κολος (-kolos) related to food or digestion, literally meaning 'difficult to digest'. The English word 'dyspepsia' (indigestion) shares the same Greek prefix δυσ-.