Where does “meinial” come from?

meinial (Middle English) comes from Old French mesnal, from Old French maisnee, from Vulgar Latin mansionata, from Latin mansiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

Ancestry of “meinial”, step by step

Step	Language	Word	Meaning
1	Old French	mesnal	household (attributive); domestic
2	Old French	maisnee	household; estate
3	Vulgar Latin	mansionata	—
4	Latin	mansiō	An act or instance of staying, remaining; stay, continuance
5	Latin	-tiō	tion, -ation, -ing
6	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
7	Latin	dissertus	arranged, disposed; explained
8	Latin	disserere	second-person singular future passive indicative...
9	Latin	dis-	asunder, apart, in two; reversal, removal;...
10	Latin	calceus	shoe
11	Latin	calx	limestone; chalk; the finish line
12	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →