English
alluvially
From alluvial + -ly.
Formed from alluvial + -ly
Proto-Indo-European *lewh₃- ‘to wash’
…
Latin lavō ‘to wash, bathe’
Latin alluō ‘wash against’
Latin alluviō ‘an overflowing, inundation’
Latin alluvius
English alluvial
Today it means
adv In alluvial fashion.
Language periods are conventional ranges, not dates for this word.
Etymograph / alluvially