Swahili nouns, Class 5 - things with curved outlines

tao 'something curved: arc, arch, river bend, hem'
kota 'crook, bend e.g. of crooked leg condition'
cf. CB -kotam- 'become bent'
pambizo 'margin, outskirts'
timbi 'bracelet, armlet'
tinda 'string of beads to go around neck'
*pochi 'chain wrist bangle' [Pers. p-]
*jebu 'braided ornament worn around head' [Hindi j-]