PS

*ŝap-at- - lip (SED I No. 265; Kogan 2011: 222)

Akkadian
šaptu - lip (CAD Š₁ 483, AHw. 1176)
Ebla
sa-ba-tum, sa-íb-tum - Sum. SAG.DAR (Krebernik 1983: 11, VE 25)
Ugaritic
špt - lip (WUS 313)
Hebrew
ŝāpā - lip (HALOT 1346)

Cf. ŝāpām "moustache".

Old Aramaic
špt - lip (DNWSI 1181)
Official Aramaic
špt - lip (DNWSI 1181)
Demotic Aramaic
sph - lip (DNWSI 1262)
Jewish Palestinian Aramaic
sypwwh, det. sypwwth - lip, border, bank (DJPA 376)
Christian Palestinian Aramaic
sypˀ, det. syptˀ - lip, edge (DCPA 286)
Samaritan
sph - lip (DSA 604)
Jewish Babylonian Aramaic
ŝyptˀ, syptˀ - lip, shore, bank (DJBA 1188)
Syriac
septā - lip (LSyr. 489, SL 1036)
Mandaic
sipta - lip (MD 329)
Maalula
seffṯa - Lippe (GNDM 79)
Mlaḥso
sepso - Lippe (lip) (Jastrow 1994: 189)
Hertevin
septa - lip (J Hert. 198)
Arabic
šafat- - lip (Lane 1574)
Sabaic
s₂ft - promise; vow; instruction, order (SD 131)
Qatabanian
s₂ft - to promise (LIQ 170)
Tigre
šanəf - mouth (of animals) (WTS 221)
Tigrinya
šänfäf - labbro (lip) (TED 854, Bassano 1918: 234)
is likely related
Tigrinya
šanfät - lips, muzzle, snout (TED 853)
is likely related