Reconstruction:Proto-Indo-European/bak-

Root

 * 1) peg, club

Reconstruction notes
Various points suggest a post-Indo-European borrowing from an unknown source: According to Oxford's Introduction to proto-Indo-European, the initial *b- may have been due to the informal ("popular") nature of the term. Kroonen and De Vaan reconstruct no Proto-Indo-European form at all.
 * The phoneme *b, which is rare and of somewhat doubtful status.
 * The consistent occurrence of *a.
 * The alternation between *k and geminate *kk across the descendants.

A family of comparable forms exists in Afroasiatic, including, Cushitic: , ,.

Derived terms

 * *bak-o-s
 * (possibly)
 * *bakk-o-s
 * *bak-sḱ-
 * Balto-Slavic:
 * *bak-tro-m, *bak-tlo-m
 * *bak-yéh₂
 * *bak-tro-m, *bak-tlo-m
 * *bak-yéh₂
 * *bak-tro-m, *bak-tlo-m
 * *bak-yéh₂
 * *bak-yéh₂
 * *bak-yéh₂
 * *bak-yéh₂
 * *bak-yéh₂