PCS

*ˁtk - to stick, to attach (Renfroe 1992:26‒29; Kogan 2015: 318)

exclusive Arb-Ugr isogloss

Ugaritic
ˁtk - to tie, to fasten, to bind (DUL 191)
Arabic
ˁtk - to stick (intrans.) (Lane 1948)