English
speedshift
From speed + shift.
Proto-Indo-European *speh₁- ‘to prosper’
…
Proto-West Germanic *spōan ‘to succeed’
Proto-West Germanic *spōdi ‘prosperity’
Old English spēd ‘success’
Middle English sped ‘prosperity’
English speed
Proto-Indo-European *skey- ‘to cut’
…
Proto-Germanic *skiftijaną ‘to divide’
Proto-West Germanic *skiftijan
Old English sċiftan ‘to divide’
Middle English schiften ‘to split’
English shift
Today it means
noun A renegotiation of the data rate over a telecommunications link.
Language periods are conventional ranges, not dates for this word.
Etymograph / speedshift