Where does “microprism” come from?

microprism (English) comes from English prism, from Late Latin prisma, from Ancient Greek πρίσμα, from Ancient Greek -μᾰ, from Proto-Indo-European -mn̥ — Creates action nouns or result nouns from verbs.

microprism (English): Any of many very small prisms used, either to form a reflective surface, or to form an area in a camera's viewfinder that blurs if the image is not precisely in focus

Definitions

  1. Any of many very small prisms used, either to form a reflective surface, or to form an area in a camera's viewfinder that blurs if the image is not precisely in focus

Ancestry of “microprism”, step by step

microprism traces back through two separate lines of ancestry.

via English prism

StepLanguageWordMeaning
1EnglishprismA polyhedron with parallel ends of the same size...
2Late Latinprismaprism
3Ancient GreekπρίσμαAnything sawn, sawdust; A prism
4Ancient Greek-μᾰ"suffix forming a noun denoting the result of an...
5Proto-Indo-European-mn̥Creates action nouns or result nouns from verbs

via English micro

StepLanguageWordMeaning
1EnglishmicroSmall, relatively small; short form of...
2Ancient Greekμικρόςlittle, small
3Proto-Indo-Europeanmēy-soft, tender, dear
Every word from Proto-Indo-European -mn̥