English
haltless
From halt + -less.
Formed from halt + -less
Proto-Indo-European *kelh₂-d-
…
Proto-West Germanic *halt ‘lame’
Proto-West Germanic *haltōn ‘to limp, walk lamely’
Old English healtian ‘to be lame, walk with a limp’
Middle English halten ‘to limp’
English halt
Today it means
adj Without halting or pausing; ceaseless; continual.
Language periods are conventional ranges, not dates for this word.
Etymograph / haltless