PWS

*bḳṯ - to dig (out) (Kogan 2015: 287)

PC
*bḳṯ - to look for (Kogan 2015: 287)

Tigrinya
bäḳḳʷäsä - to pull up, to uproot (plants, trees) (TED 1147, Brockelmann 1927: 31)
Jibbali
bɔ́ḳɔ́ṯ - to dig away, to dig up, to dig for (JL 25, Müller 1995:145)
Jibbali
bɔ́tḳəṯ - to throw things around while searching (JL 25, Müller 1995:145)