(b. Ḏj̲asr), usually Banu ’l-Ḳain or, with ellipsis of the syllable
nu, Balḳain, nisba
Ḳainī, an Arab tribe. The official Arabic genealogy gives as its true name al-Noʿmān b. Ḏj̲asr (see Wüstenfeld,
Geneal. Tabellen, Ṭab. 2, 20; Ibn Duraid,
al-Is̲h̲tiḳāḳ, ed. Wüstenfeld, p. 317;
Tād̲j̲ al-ʿArūs, s. v.
ḳyn; lbn Ḵh̲allikān,
Wafayāt al-Aʿyān, éd. de Slane, Article
Wat̲h̲īma b. Mūsā, about the middle; etc.); it therefore interpreted as originally a nickname — and probably rightly — al-Ḳain, which means, as a name, “smith”, “metal worker”, “swordmaker” etc. (cf. Aram.
ḳēnāʾā, ḳaināyā, “sm…