The story
- Proto-Indo-European*h₁én
- Proto-Italic*en
- Proto-Italic*en-
- Latinin-
- Proto-Indo-European*ḱel-
- Proto-Indo-European*ḱley-
- Proto-Indo-European*ḱl̥néyti ~ *ḱl̥nyénti
- Proto-Italic*kl(e)inō
- Proto-Italic*klei- ~ *kli-influ.
- Latinclīnō
- Latininclīnāre
- Old Frenchencliner
- Middle Englishenclinen
- Englishincline
- English todayincliner
Etymology from Wiktionary, CC BY-SA 4.0.