This is the 242nd most frequent French word.
environ
Approximately.
In this sentence, 'environ' is used to indicate an approximate quantity or number.
Il y avait environ trente personnes à la fête.
There were around thirty people at the party.
Here, 'environ' is employed to express a rough estimation of distance.
La course mesure environ cinq kilomètres.
The race measures approximately five kilometers.
'Environ' in this context is used to convey an estimated duration of time.