This is the 18056th most frequent Russian word.
фронту
The Russian word "фронту" is the dative singular form of "фронт," meaning "front" (as in a military front or a front line).
In this sentence, 'фронту' (to the front) is used to denote the recipient of supplies related to a military front, showing its usage in a context of logistics or support.
Мы отправили припасы фронту.
We sent supplies to the front.
Here, 'фронту' is used metaphorically to indicate the area or cause dedicated to a collective effort, typically in a wartime setting.
Её вклад фронту был неоценим.
Her contribution to the front was invaluable.
In this case, 'фронту' refers to the military front directly, the subject responsible for holding the defensive line.