The story
- Proto-Indo-European*(s)ker-der.?
- Proto-Italic*kruks /*krukis
- Latincrux
- Old Irishcros
- Old Norsekross
- Old Englishcros
- Middle Englishcross
- Middle Englishcros-
- Englishcross-
- Englishpollination
- English todaycross-pollination
From cross- + pollination.
Etymology from Wiktionary, CC BY-SA 4.0.