PWS

*ḳrr - cold (Fronzaroli 1965a: 142, 147, 150; Kogan 2011: 195; Kogan 2015: 38, HALOT 1127, 1149, CDG 443)

For a close semantic parallel outside this root cf. Akk. kaṣâtu ‘morning coolness, morning’ (CAD K 263, AHw. 458) < kaṣû ‘to be cold.’

Hebrew
ḳar - cold, cool (HALOT 1127)
Jewish Palestinian Aramaic
ḳrr - to make cold, to cool down (DJPA 507)
Pol. ‘to cool down’, Itpol. ‘to cool oneself off’. Itpa. ‘id., to refresh oneself’
Christian Palestinian Aramaic
ḳrr - to refresh o.s.; to refresh s.o., to provide relief (DCPA 384)
Aph.
Samaritan
ḳrr - to cool (DSA 802)
Aph.
Jewish Babylonian Aramaic
ḳrr - to cool down (DJBA 1047)
Syriac
ḳrr - to be cold, frosty, to turn cold (LSyr. 689, SL 1345)
Syriac
ḳarrirā - cold (LSyr. 689, SL 1409)
Mandaic
ḳarir - cold, cool (MD 403)
Arabic
qrr - to be cold (Lane 2499)
widely attested, but the basic exponent of this meaning is clearly brd
Geez
ḳʷarara - be cold, be cool; cool down (anger), subside (fire) (CDG 443)
Tigrinya
ḳʷärärä - cold (TED 929)
To some extent competing with zəḥul ‘cool, cold’, of uncertain etymology
Amharic
ḳʷärra - to be cold (AED 717)
the main verb with the meaning “to be cold” is ḳäzäḳḳäzä, with no cognates outside EthS
Zway
ḳorra - frost of morning (EDG 495)
Kogan 2015:38: “tentatively considered a loanword from Oromo by Leslau.”
Chaha
ḳərärä - early morning (EDG 500)
Ezha
ḳərärä - early morning (EDG 500)
Endegen
ˀərǟˀrä - early morning (EDG 500)
Ennemor
ˀərǟrˀä - early morning (EDG 500)
Gyeto
ḳərärä - early morning (EDG 500)
Masqan
ḳərärä - early morning (EDG 500)
Mehri
həḳráwr - to go at midday, spend midday (ML 233)

Widely attested in SAE IX, SAE III (Mundart B) with the meaning “to go”. There is the possibility that in SAE IX the verb still means “to go at midday”, “which would mean that the concept “to go” in this Mehri variety does not exist in its neutral form, being always connected with the part of the day when the movement is carried out.” (Kogan 2015:524)

Jibbali
ḳərérɛ - tomorrow (JL 148)
Soqotri
ḳarére - tomorrow; next day (LS 388; CSOL I 592; CSOL II 517)