Loam comes from Middle English lome, Old English lam, Proto-Germanic laimô, and Proto-Indo-European lem-, all referring to clay or mud used in construction.
loam (English): A type of soil; an earthy mixture of sand, silt...
Definitions
A type of soil; an earthy mixture of sand, silt...
Ancestry of “loam”, step by step
loam traces back through two separate lines of ancestry.