From Old Javanese śatru (“enemy, foe, rival”), from Sanskrit शत्रु (śatru, “enemy, foe, rival”).
ᬰᬢ᭄ᬭᬸ (satru) (andap ᬫᬸᬲᬸᬄ (musuh), alus mider ᬰᬢ᭄ᬭᬸ (satru), ᬫᭂᬲᬾᬄ (meseh))