Where does “microdrawing” come from?

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

microdrawing (English): A drawing showing the microscopic detail of something

Definitions

microdrawing 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	drawing	present participle of draw; A picture, likeness,...
2	Middle English	drauing	—