Where does “indecipherable” come from?

Indecipherable comes from English decipher with the prefix in- from Latin, ultimately derived from Proto-Indo-European ne and en meaning negation and being.

indecipherable (English): Not decipherable; impossible to decode, read,...

Definitions

  1. Not decipherable; impossible to decode, read,...

Ancestry of “indecipherable”, step by step

StepLanguageWordMeaning
1Englishin-in, into, towards, within; in, into; Used with...
2Middle Englishin-
3Old Englishin-in, into; on, upon; internal, positioned on the...
4Old Englishinin; Alternative form of inn
5Proto-West Germanic*in
6Proto-Germanicinin; into
7Proto-Indo-Europeanénin

Words derived from “indecipherable

Every word from Proto-Indo-European énEvery word from Proto-Germanic inEvery word from Proto-West Germanic *in