English
transitionless
From transition + -less.
Formed from transition + -less
Proto-Indo-European *h₁ey- ‘to go’
…
Latin eō ‘go’
Latin itiō ‘a going’
Latin trānsitiō ‘passage, transition’
Middle French transition ‘transition’
English transition
Today it means
adj Lacking a transition.
Language periods are conventional ranges, not dates for this word.
Etymograph / transitionless