This is the 11848th most frequent Swedish word.
primus
"Primus" in Swedish refers to a portable kerosene stove used for cooking and heating.
In this sentence, 'primus' refers to a type of portable stove used for cooking during outdoor activities.
Han köpte en primus för campingresan.
He bought a portable stove (primus) for the camping trip.
Here, 'primus' is used metaphorically to signify someone who excels or is at the forefront in a particular field.
Hon var klassens primus i matematik.
She was the top student (primus) in mathematics in her class.
In this usage, 'Primus' is a proper noun, likely referring to a person's name or a group.