dalet/ˈdɑː.lɪt/EtymologyFrom Phoenician 𐤃𐤋𐤕 (dlt, “door”), ultimately from Proto-Semitic *dalt-; compare Hebrew דֶלֶת (délet). Doublet of delta.nounThe fourth letter of many Semitic alphabets (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).