English
macropulse
From macro- + pulse.
Proto-Indo-European *meh₂ḱ- ‘to increase’
Proto-Indo-European *mh₂ḱrós ‘lean, meager’
Proto-Hellenic *makrós
Ancient Greek μακρός ‘long’
English macro-
Proto-Indo-European *pel- ‘to beat, strike’
Latin pulsus ‘beat, impulse, pulse, stroke’
Old French pous
Anglo-Norman puls
Middle English pulse ‘regular beat of arteries, pulse’
English pulse
Today it means
noun A relatively large pulse
Language periods are conventional ranges, not dates for this word.
Etymograph / macropulse