disc▪ Fraenkel1886: 10-11 is ‘pretty sure’ that the word is from Syr qarīṯā.
▪ BDB1906 explains Hbr qōrāh ‘rafter, beam’ as related to Hbr qārā ‘to meet’. If this is true the word may be akin to WSem *QR or *QRY ‘to meet’, which is also the origin of ↗qarà ‘to receive hospitably, entertain as a guest’ and (via Syr) ↗qaryaẗ (see also ↗QRY).
▪ Zimmern1917: 31 thinks that the Akk qarītu ‘storeroom, granary’, which accord. to him properly means ‘beams, woodwork, entablature’, is at the origin of both Hbr qōrāh and Aram qarīṯā ‘beam, plank’, whence Ar qariyyaẗ.