Lexical Definition

‎קוּר‎ qûwr (koor) to dig H:V
a primitive root; also denominative from ‎קִיר‎

break down, cast out, destroy, dig.

1) (Qal) to bore, dig, dig for water
2) to be cold
2a) (Hiphil) to make or keep cool
3) (Pilpel) destroy, break down

See Greek: τίθημι · ψύχω

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
מְקַרְקַ֥ר a breaking down of Isa.22.5
וְקַרְקַ֖ר and it will destroy Num.24.17

Extended Information

Brown-Driver-Briggs

Also see: קַו

‎קַוְקָו‎ (or ‎קַוְקַו‎, ‎קָוְקָו‎) noun [masculine] might (?); — so read (according to most) for ‎קַוקָֿו‎ in phrase ‎׳‎‎גּוֺי ק‎ Isa 18:2; Isa 18:7 i.e. a mighty nation (compare Arabic strength; see (on reduplication) Ges«GKC:123e»§ 123e); > RV 'meting out' conquered lands, literally 'of line, line' (11. ‎קַו‎).

I. [‎קוּר‎] verb bore, dig (Arabic () cut a round hole in, scoop out); —

Qal Perfect 1 singular ‎קַרְתִּי‎ 2Kgs 19:24 I have dug (that is, a well)= Isa 37:25 (Meinh conjectures ‎כָּרִתִי‎). —

Hiph`il, Pilpel, see I, II. ‎קרר‎.

I. [‎קָרַר‎] verb be cold (Arabic be cold, so Ethiopic Syriac ; ᵑ7 Ithpa`al 1 singular cool onself (rare); Levy compare also Late Hebrew Nithp. ‎רִתְקָרֵר‎ grow calm [i.e. cool]); —

Hiph`il make or keep cool: Perfect 3 feminine singular ‎הֵקֵ֫רָה‎, figurative, Jer 6:7b Jerusalem keepeth her wickedness cool, fresh; Infinitive construct metaplastic ‎הָקִיר‎ (Ges«GKC:67v»§ 67v) vJer 6:7a, of ‎בּוֺר‎ keeping water cool (simile).

II. [‎קָרַר‎] verb Pilpel tear down (?) (Late Hebrew ‎קִרְקֵר‎ tear down wall); — only Participle ‎מְקַרְקַר קִר‎ Isa 22:5 usually (men are) tearing down wall
(s), but see I. ‎קִיר‎ 3 near the end.

Brown-Driver-Briggs References

Book Refs
2 Kings 19:24
Isaiah 18:2 · 18:7 · 22:5 · 37:25
Jeremiah 6:7