moot (n.) Look up moot at
"assembly of freemen," mid-12c., from Old English gemot "meeting" (especially of freemen, to discuss community affairs or mete justice), "society, assembly, council," from Proto-Germanic *ga-motan (compare Old Low Frankish muot "encounter," Middle Dutch moet, Middle High German muoz), from collective prefix *ga- + *motan (see meet (v.)).
moot (adj.) Look up moot at
"debatable; not worth considering" from moot case, earlier simply moot (n.) "discussion of a hypothetical law case" (1530s), in law student jargon. The reference is to students gathering to test their skills in mock cases.
moot (v.) Look up moot at
"to debate," Old English motian "to meet, talk, discuss," from mot (see moot (n.)). Related: Mooted; mooting.