Where does “unmerge” come from?

unmerge (English) comes from English merge, from Latin mergō, from Proto-Indo-European *mésgeti, from Proto-Indo-European mesg- — to dip, sink.

unmerge (English): To separate (something previously merged); to demerge

Definitions

  1. To separate (something previously merged); to demerge

Ancestry of “unmerge”, step by step

unmerge traces back through two separate lines of ancestry.

via English merge

StepLanguageWordMeaning
1EnglishmergeTo combine into a whole; To blend gradually into...
2Latinmergōto dip (in), immerse; plunge into water; drown
3Proto-Indo-European*mésgetito sink
4Proto-Indo-Europeanmesg-to dip, sink

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European mesg- →Every word from Proto-Indo-European *mésgeti →Every word from Latin mergō →