| 释义 | | bak- Staff used for support.
 [Pokorny bak‑ 93.]bacillus, baculum, baguette, bail4, bailey; baculiform, debacle, imbecile, from Latin baculum, rod, walking stick;Possibly Latin imbēcillus,  imbecillus, feeble, possibly from *in-bacillus , "without a staff  (to steady oneself), without support," from bacillus, diminutive of baculum  (in‑, not; see ne).  imbecile.
bacterium; corynebacterium, from Greek baktron, staff.
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