Sissi (Finnish light infantry)

Sissi is a Finnish term for light infantry which conducts border security, commando style raids on key targets, guerrilla warfare, long-range penetration, reconnaissance, and sabotage operations behind enemy lines. The word sissi, first attested in the modern meaning "patrolman, partisan, spy" in 1787, comes to Finnish from Slavic and refers either to a forest bandit or his yew bow.