This is the 651st most frequent Czech word.
šéfa
The Czech word "šéfa" means "boss" or "chief" (accusative form).
Here, 'šéfa' is the genitive singular form of 'šéf', used after the verb 'zeptat se' (to ask).
Zeptal jsem se šéfa na dnešní úkol.
I asked the boss about today's task.
'Šéfem' is the instrumental singular form of 'šéf', used after the preposition 'se' indicating accompaniment.
Setkal jsem se se šéfem po pracovní schůzce.
I met with the boss after the work meeting.
In this context, 'šéfa' is in the accusative singular as it functions as the direct object of the verb 'čekat' (to wait for).