Where does “bailly” come from?

bailly (Middle English) comes from Medieval Latin ballium, from Old French baile, from Latin baculum, from Proto-Indo-European baḱ- — club, pointed stick, peg; pointed stick, peg.

bailly (Middle English): outer castle wall

Definitions

outer castle wall

Ancestry of “bailly”, step by step

Step	Language	Word	Meaning
1	Medieval Latin	ballium	bail, security; bail; security
2	Old French	baile	palisade, enclosure
3	Latin	baculum	walking stick, cane, staff; sceptre, rod; a...
4	Proto-Indo-European	baḱ-	club, pointed stick, peg; pointed stick, peg

Every word from Proto-Indo-European baḱ- →Every word from Latin baculum →Every word from Old French baile →