Where does “microlens” come from?

microlens (English) comes from English micro, from Ancient Greek μικρός, from Proto-Indo-European mēy- — soft, tender, dear.

microlens (English): A microscopic lens

Definitions

microlens traces back through two separate lines of ancestry.

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

Step	Language	Word	Meaning
1	English	lens	An object, usually made of glass, that focuses or...
2	Latin	lēns	lentil