"government by the army, military government," 1650s, from Greek stratos "army, encamped army," literally "that which is spread out" (from PIE root *stere- "to spread"), + -cracy "rule or government by."
strath
stratification
stratify
stratigraphy
strato-
stratocracy
strato-cumulus
stratography
stratosphere
stratovolcano
stratum