Where does “sluise” come from?

sluise (Middle Dutch) comes from Old French escluse, from Latin exclūsa, from Latin exclūsus, from Latin exclūdō, from Latin claudere, from Latin claudo, from Proto-Italic klaudō — close.

Ancestry of “sluise”, step by step

Step	Language	Word	Meaning
1	Old French	escluse	sluice
2	Latin	exclūsa	—
3	Latin	exclūsus	excluded
4	Latin	exclūdō	to shut out; cut off, remove, separate from something
5	Latin	claudere	present active infinitive of claudō;...
6	Latin	claudo	I shut, close, lock; I imprison, confine; I...
7	Proto-Italic	klaudō	close

Every word from Proto-Italic klaudō →Every word from Latin claudo →Every word from Latin claudere →