The story
- Egyptian · derived fromd-mi-i-N21:Z1“mooring, port; town”
- Egyptian · derived fromdmjt“town, harbor”
- Latin · derived from-etta“-ette: forming diminutives”
- Coptic · derived fromⲧⲁⲙⲓⲁϯ
- Medieval Latin · borrowed fromDamietta
- English todayDamietta
From Medieval Latin Damietta, from the medieval pronunciation /dɑmˈjɑdi/ of Coptic ⲧⲁⲙⲓⲁϯ (Tamiati) with influence from Latin -etta (“-ette: forming diminutives”), the former sometimes hypothesized to be from Egyptian dmjt (“town, harbor”), from Egyptian d-mi-i-N21:Z1 (dmj, “mooring, port; town”) + t (-t, feminine ending).
Etymology from Wiktionary, CC BY-SA 4.0.