From Wiktionary, the free dictionary
From Armenian տետրակ (tetrak).
тӏетӏракӏ • (ṭeṭraḳ)
- exercise book
- Gukasjan, Vorošil (1974) “тӏетӏракӏ”, in Удинско-азербайджанско-русский словарь [Udi–Azerbaijani–Russian Dictionary][1], Baku: Academy Press, page 209