PWS

*ḳut- - kind of insect (SED II No. 140)

Not fully reliable, an accidental phonetic coincidence cannot be ruled out. Cf. SED II No. 141.

Syriac
ḳūtī - spider, spider web (LSyr. 656)
Tigre
ḳuttu - a kind of little grasshopper (WTS 250)