The story
- Proto-Indo-European*bʰleh₃-
- Proto-Germanic*bladą
- Proto-West Germanic*blad
- Old Englishblæd
- Middle Englishblad
- Middle Englishblade
- Englishblade
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- English todaybladeless
Etymology from Wiktionary, CC BY-SA 4.0.