A primitive root; properly, to cut off, i.e. (figuratively) put to death -- kill, slay.
H6991. qatal
[קָטַל] verb slay (in poetry and late) (Arabic Ethiopic Sabean קתל HomChrest.126, all slay (original form with ת; changed later, after ק); Aramaic קְטַל, ; Old Aramaic קתל כטל, קטל,); —
Qal Imperfect with accusative of person, 3 masculine singular יִקְטָלֿ Job 24:14; suffix, subject God, יִקְטְלֵנִי 13:15; of God also 2masculine singular תִּקְטֹל Psalm 139:19.
[קְטַל] verb slay (ᵑ7 Syriac (often); see Biblical Hebrew (late, rare)); —
Pe`al Participle active קָטֵל Daniel 5:19, accusative of person
Pe`îl be slain: Perfect3masculine singular קְטִיל Daniel 5:30, 3feminine singular קְטִילַת 7:11.
Pa`el slay: Perfect3masculine singular קַטִּל Daniel 3:22 (accusative of person); Infinitive לְקַטָּלָה 2:14 (ל accusative of person).
Hithpe`el be slain: Infinitive לְהִתְקְטָלָה Daniel 2:13; Participle (= gerundive, K§ 76, 3) plural מִתְקַטְלִין 2:13 were to be slain.