This is the 444th most frequent Greek word.
λιγότερο
"Less" or "fewer."
'Λιγότερο' is used here as an adverb to modify the verb 'to eat', indicating a reduction in quantity.
Θέλω να τρώω λιγότερο ψωμί για να είμαι πιο υγιής.
I want to eat less bread to be healthier.
'Λιγότερο' is again an adverb here, modifying the verb 'to work', to express a lesser degree or frequency.
Αν εργάζεσαι λιγότερο, έχεις περισσότερο χρόνο για την οικογένεια.
If you work less, you have more time for family.
'Λιγότερο' in this case is an adverb describing the extent of Maria's drinking coffee.