The story
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Proto-Indo-European*pleh₁-
- Proto-Italic*plēō
- Latinpleō
- Latinsupplēre
- Old Frenchsouploier
- Middle Englishsupplien
- Englishsupply
- English todaysupplier
Etymology from Wiktionary, CC BY-SA 4.0.