←
Old English bæc (inherited)
←
Middle English bac (alter)
←
Middle English bacc (alter)
←
Middle English back (alter)
←
Middle English backe (alter)
←
Middle English bakke (alter)
←
Middle English bakk (alter)
←
Middle English bake (alter)
←
Middle English abak (link)
←
Middle English bakbon (link)
←
Middle English beli (link)
←
Proto-Germanic *baką (inherited)
←
Proto-West Germanic *bak (inherited)
→
English back (inherited)
→
Middle English bakke (alter)
→
Middle English abak (prefix)
→
Middle English bakkes (affix)
→
Middle English bakbon (affix)
→
Middle English bacoun (mention)
→
Indonesian bek (derived)