Proto-IE: *bhurgh- ?
Meaning: watch-tower
Armenian: burgn `Turm'
Russ. meaning: сторожевая башня etc.
Comments: A Wanderwort: cf. Arm burgn `toren', Aram burgin, burgon, Arab burǯ `kleine festing' (all probably from Hurro-Urartian and Caucasian). Greek pǘrgos is a loanword, as it show phonetics.