This is the 6201st most frequent French word.
first
The French word equivalent to "first" is "premier," meaning "the initial one in order or rank."
In this usage, 'premièrement' means 'firstly' or 'first of all', and is used to introduce the initial point in a sequence or argument.
Premièrement, il faut considérer les faits.
Firstly, we need to consider the facts.
Here, 'la première' signifies the prior position in time or sequence, indicating she was ahead of others in arriving.
Elle a été la première à arriver à la fête.
She was the first to arrive at the party.
In this sentence, 'en premier' means 'first' in the order of activities or priorities planned for the trip.