PCS

*tḳn - to be in order (HALOT 1784)

Akkadian

taqānu - to be(come) placid, orderly, secure (HALOT 1784; CAD T 197, AHw. 1323)

Reliable attestations are from later periods, which points to a WS borrowing.

Hebrew

tḳn - to make straight (HALOT 1784)

Biblical Aramaic

tḳn - (hof.) to be re-established (HALOT 2009)

Syriac

tḳn - to establish properly (LSyr. 831)

Arabic

tqn - to bring to perfection (Lane 309)