The story
- Englishspeed
- Proto-Indo-European*kret-der.?
- Proto-Germanic*harduz
- Proto-West Germanic*hard(ī)
- Old Englishheard
- Middle Englishhard
- Englishhard
- Middle Englishcore
- Englishcore
- Englishhardcorebf.
- English todayspeedcore
Etymology from Wiktionary, CC BY-SA 4.0.