Where does “llifwaddod” come from?

llifwaddod (Welsh) comes from Welsh gwaddod, from Welsh od, from Middle English odde, from Old Norse oddi, from Old Norse -i, from Latin -ē, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

llifwaddod (Welsh): alluvium, silt

Definitions

alluvium, silt

Ancestry of “llifwaddod”, step by step

llifwaddod traces back through two separate lines of ancestry.

via Welsh gwaddod

Step	Language	Word	Meaning
1	Welsh	gwaddod	dregs, lees
2	Welsh	od	odd, strange; odd
3	Middle English	odde	inflection of od: ## weak singular ## strong/weak...
4	Old Norse	oddi	odd, third or additional number; triangle
5	Old Norse	-i	th
6	Latin	-ē	ly; used to form adverbs from adjectives
7	Latin	dis-	asunder, apart, in two; reversal, removal;...
8	Latin	calceus	shoe
9	Latin	calx	limestone; chalk; the finish line
10	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

via Welsh llif

Step	Language	Word	Meaning
1	Welsh	llif	saw; flood; stream
2	Latin	lima	file
3	Spanish	lima	lime; lemon; file
4	Spanish	Limón	lemon
5	Arabic	لَيْمُون	lemon, lime
6	Persian	لیمو	lemon; lime
7	Sanskrit	निम्बू	common lime or lemon
8	Mundari	lembu	—

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