H3717. kaphal
כָּפַל verb double, double over (late) (Late Hebrew id.; Aramaic כְּפַל; ᵑ7. כּוּפְלָה כִּיפְלָא,, Nabataean כפל EutNab. No. 20, 7 the double; Christian-Palestinian Aramaic SchwIdioticon 46; North Syriac id.; Arabic the double, posteriors, buttocks; Ethiopic is divide, a part) —
Qal Perfect2masculine singular וְכָפַלְתָּ֫ [Exod 26:9] and thou shalt double over the sixth curtain, i.e. probably use it double (Di); Passive participle כָּפוּל folded double, of the breastpiece (חשֶׁןׅ [28:16]; [39:9] (twice in verse).
Niph`al Imperfect3feminine singular וְתִכָּפֵל [Ezek 21:19] and let the sword be doubled, but very dubious; Co reads plausibly תְּשַׁכֵּל let the sword bereave (compare VB).