This is the 882nd most frequent Latvian word.
ārsta
The Latvian word "ārsta" means "doctor's" (possessive form of "ārsts" - doctor).
The word 'ārsta' is in the genitive case, indicating possession, meaning 'of the doctor'.
Es sazvanīju ārsta kabinetu, lai pierakstītos vizītē.
I called the doctor's office to make an appointment.
In this sentence, 'ārstu' is in the accusative case, indicating the direct object of the verb 'to visit'.
Rīt man ir plānots apmeklēt ārstu.
Tomorrow I am scheduled to visit the doctor.
Here 'ārsta' is in the genitive case, indicating a possessive association with 'instructions'.