rukbaẗ رُكْبة , pl. rukab , ‑āt
ID 335 • Sw 47 • BP 6780 • APD … • © SG | 15Feb2021
√RKB
▪ Kogan2011: from protSem *birk‑ ‘knee’.
▪ Ultimately perh. … < AfrAs *rukub‑ ‘knee, thigh’ (as suggested by Orel&Stolbova1994) or, with metathesis (and vowel change Sem *i > Ar u), from a Sem *birk‑ (DRS 2, Orel&Stolbova)?
▪ …
▪ Bergsträsser1928: Within Sem, Ar rukbaẗ shows metathesis, cf. Akk birku, Hbr béreḵ, Aram burka, Gz berk ‘knee’. – Cf. also ↗baraka (vb.) ‘to kneel down’.
▪ Kogan2011: Akk birku, Ug brk, Hbr bäräk, Syr burkā, Gz bərk, Mhr bark ‘knee’.
▪ Orel&Stolbova1994#2133: Aram ʔarkūbā. – Outside Sem: rukufe ‘thigh’ in one CCh language.
▪ Kogan2011: Sem *birk‑ ‘knee’.
▪ Orel&Stolbova1994#2133: Based on the word rukufe ‘thigh’ in one CCh language, and on the Arab evidence, the authors reconstruct Sem *rukb‑ ‘knee’ and CCh *rukub‑ ‘thigh’ and, thence, AfrAs *rukub‑ ‘knee, thigh’.
► ʔabū ’l-rukab, n., dengue, breakbone fever (med.)
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