PS

*ptḫ - to pierce (Huehnergard 1991:694)

Akkadian
patāḫu - to puncture, to pierce (CAD P 269, AHw. 846)
Derived words: patḫu ‘holed’ (CAD P 276, AHw. 848); pitḫu ‘perforation, wound’ (CAD P 435, AHw. 869); puttuḫu ‘pierced’ (CAD P 547, AHw. 884).
Hebrew
ptḥ - (pi.) to engrave (HALOT 988)
Arabic
fatḫat- - a ring without a stone (Lane 2330)

Probably related. Assumed original meaning: ‘something pierced, bored through’.

Sabaic
ftḫ - decorated stonework (SD 46)
Qatabanian
ftḫ - to inscribe, to engrave (LIQ 132)
Mehri
fátăḫ - Loch, Verwundung (Jahn 1902, 178)