PS

*ḳdš - sacred (HALOT 1066)

Akkadian
ḳuddušu - to make ritually clean, to purify (CAD Q 46; AHw. 891)
cf. ḳašdu ‘holy’ (CAD Q 146; AHw. 906); ḳadištu ‘a woman of special status’ (CAD Q 48; AHw. 891)
Ebla
ga-ti-šum /ḳadišum/ - sacred (VE 100, Kogan–Krebernik 2021b: 684)
Ugaritic
ḳdš - holy (DUL 685)
Phoenician
ḳdš - holy (DNWSI 995)
Hebrew
ḳādōš - holy, consecrated (HALOT 1066)
Official Aramaic
ḳdš - shrine (DNWSI 994–5)
Palmyrean
ḳdš - holy (DNWSI 995)
Jewish Palestinian Aramaic
ḳdš - (pa.) to sanctify, betroth, dedicate (DJPA 477)
Christian Palestinian Aramaic
ḳdš - (pa.) to purify, to sanctify (DCPA 175)
Jewish Babylonian Aramaic
ḳdš - to become sacred, consecrated (DJBA 987)
Syriac
ḳdš - (pa.) to sanctify, deem holy (LSyr. 649)
Mandaic
ḳdš - (pa.) to sanctify (MD 405)
Being used only in derision of Jewish and Christian religious phraseology, the root acquired an opposite meaning ‘to be sinful, godless’.
Arabic
qds - II. to sanctify, consecrate, purify (BK 2 687, Lane 2497)
Sabaic
ḳds₁ - holy (SD 104)
Geez
ḳaddasa - to sanctify, declare holy, perform sacred offices, celebrate Mass (CDG 422)
Tigre
ḳäddäsa - to sanctify, hallow (WTS 260)
Tigrinya
ḳäddäsä - to sanctify, to consecrate, to celebrate Mass (TED 1039)
Amharic
ḳäddäsä - to sanctify, to celebrate Mass, to purify (AED 821)
Chaha
ḳəddase - Mass (EDG 473)
Ezha
ḳəddase - Mass (EDG 473)
Endegen
ḳəddāse - Mass (EDG 473)
Ennemor
ḳəddāse - Mass (EDG 473)
Muher
ḳiddäsä - to celebrate Mass (EDG 473)
Gogot
ḳəddus - holy (EDG 473)
Soddo
ḳiddäsä - to celebrate Mass (EDG 473)