šabāt- - the point of the extremity of anything; the portion with which one cuts (in a sword); the two sides of the tapering head of a sandal
(BK 1 1188, Lane 1501)
May be related.
Arabic
šabāt- - scorpion (newly hatched); young scorpion
(BK 1 1188, Lane 1501, LA XIV 420)
šafallāḥ- - natural female parts of body, highly developed and thick; woman whose vagina is very ample, thick; man who has big buttocks, or thick lips
(BK I 1250)
Arb. š (< *ŝ // *ĉ) poses a problem: it can be from *š // *s influenced by l; alternatively *ŝx // *ŝ may be reconstructed in the protoform.
Arabic
šafr-, šufr- - place of growth of the eyelash
(BK 1 1247)
pl. ˀašfār-
Note that another meaning of the same word is ‘bord, extrémité, crête’; possibly a contamination of the two roots, with one meaning ‘edge’ and the other, ‘eyelash’.