English
linespeed
From line + speed.
Proto-Germanic *līną ‘flax’
Proto-Germanic *līnǭ ‘line’
Proto-West Germanic *līnā ‘line’
Old English līne ‘line’
Middle English line ‘rope’
English line
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
Today it means
noun —
Language periods are conventional ranges, not dates for this word.
Etymograph / linespeed