Proto-North Caucasian: *ṭāpV
Meaning: a k. of wooden vessel
Notes: The etymology seems quite reliable, although there are usual in roots of this type (with two stops) assimilations and dissimilations (PN *dab < *ṭab < *ṭaṗ; PWC *tǝpǝ < *t:ǝpǝ). The root must have denoted originally some wooden or woven vessel.
