PS

*kilˀ- - both (CDG 282)

PES
*kVlˀ-ay - two (Kogan 2015: 446)

Akkadian
kilallān - both (CAD K 353, AHw. 475)
Hebrew
kilˀayim - both (HALOT 475)
Arabic
kilā - both (WKAS K 286)
Mehri
kəlō - both (ML 207)
Soqotri
káˀḷa - both (LS 213, CSOL I 574, CSOL II)