Origin: 1855–60, Americanism; probably folk-etymological spelling of New York Dutch*binnekil, equivalent to Dutchbinne(n) inner, interior (see ben1) + kil channel; see kill2
[C17: changed from C15 bitakle, from Portuguese bitácula, from Late Latin habitāculum dwelling-place, from Latin habitāre to inhabit; spelling influenced by bin]
"wooden box for a ship's compass," c.1750, corruption of bittacle (1620s), which is probably from Sp. bitacula or Port. bitacola, both from L. habitaculum "little dwelling place," from habitare "to inhabit (see habit).