English
mar-sport
From mar + sport.
Proto-Indo-European *mers- ‘to annoy, disturb, neglect, forget, ignore’
Proto-Germanic *marzijaną ‘to disturb, hinder’
Old English mierran ‘to mar, disturb, confuse’
Middle English merren ‘to disturb, hinder, or prevent’
English mar
Latin portō ‘to carry, bear’
Old French porter ‘to carry’
Anglo-Norman desporter ‘to divert, amuse’
Middle English disporten ‘to disport’
Middle English sporten ‘to divert’
English sport
Today it means
noun A killjoy.
Language periods are conventional ranges, not dates for this word.
Etymograph / mar-sport