Where does “microlithiasis” come from?

microlithiasis (English) comes from English lithiasis, from Latin lithiasis, from Ancient Greek λιθίασις, from Ancient Greek λίθος — a stone; stone as a substance.

microlithiasis (English): lithiasis involving a large number of very small stones

Definitions

lithiasis involving a large number of very small stones

Ancestry of “microlithiasis”, step by step

microlithiasis traces back through two separate lines of ancestry.

via English lithiasis

Step	Language	Word	Meaning
1	English	lithiasis	The process of forming stone-like deposits or...
2	Latin	lithiasis	—
3	Ancient Greek	λιθίασις	lithiasis
4	Ancient Greek	λίθος	a stone; stone as a substance

via English micro

Step	Language	Word	Meaning
1	English	micro	Small, relatively small; short form of...
2	Ancient Greek	μικρός	little, small
3	Proto-Indo-European	mēy-	soft, tender, dear

Every word from Ancient Greek λίθος →Every word from Ancient Greek λιθίασις →Every word from Latin lithiasis →