Cannot be separated from Hbr. tǝkēlät ‘a blueish or violet coloured purple wooľ (an exact vocalic match of the Akkadian word), JPA toklā ‘purple wooľ, CPA twklɁ ‘blue fabric’, JBA tǝkēltā ‘tekhelet color’, Syr. tekltā ‘blue purple colour’ . Their futher etymology is unknown.