The story
- Proto-Indo-European*sem-
- Proto-Indo-European*sēmi
- Latinsēmi-
- Englishsemi-
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Proto-Indo-European*pro-
- Proto-Italic*pro-
- Latinprō-
- Proto-Indo-European*dewk-
- Proto-Indo-European*déwkti
- Proto-Italic*doukō
- Latindūcō
- Latinprōdūcō
- Late Latinprōductīvus
- Englishproductive
- Englishproductivity
- English todaysemiproductivity
From semi- + productivity.
Etymology from Wiktionary, CC BY-SA 4.0.