sösk = autumn (seasons)
alternate spelling: seusk
Some things Google found for "sösk" and "sosk":
SÖSK stands for Sydöstra Skånes Samarbetskommitté (Southeast Skåne Cooperation Committee) of Sweden. Sosk is an rare last name. SOSK design of an Icelandic designer. SOSK is an Australian non-profit for children and women in Kenya. Chamy Sosk is the name of a place in Iraq.
Word derivation for "autumn" :
Hungarian = ősz (which I transliterate to ös)
Finnish = syksy (which I transliterate to süksü)
Samgur = sösk