English

singleworld

From single + world.

A compound of single + world

Proto-Indo-European *sem- ‘one’

Latin singulus ‘one each’

Old French sengle

Middle English single

Proto-Germanic *weraldiz ‘lifetime’

Proto-West Germanic *weraldi

Old English weorold

Middle English world ‘the world’

English world

Today it means

adj Relating to the form of the universe in which the many-worlds interpretation of quantum mechanics is rejected.

Language periods are conventional ranges, not dates for this word.

Etymograph / singleworld