Where does “oilseed” come from?

Oilseed is a compound of English oil, from Latin oleum meaning fatty liquid, and English seed.

oilseed (English): The seed of any of several plants which are used...

Definitions

  1. The seed of any of several plants which are used...

Ancestry of “oilseed”, step by step

oilseed traces back through two separate lines of ancestry.

via English oil

StepLanguageWordMeaning
1EnglishoilLiquid fat; Petroleum-based liquid used as fuel...
2Middle EnglishoyleThe oil pressed from olives; olive oil; Oil as...
3Old Frenchoileoil
4Latinoleumolive oil; the palaestra
5Ancient Greekἔλαιονolive oil, commonly used as an anointing oil; any...
6Ancient Greekἐλαίαolive tree; olive; naevus
7Proto-Hellenicelaíwā
8Proto-Indo-Europeanloiwom

via English seed

StepLanguageWordMeaning
1EnglishseedA fertilized and ripened ovule, containing an...
2EnglishSee
3Middle Englishseento see
4Old Englishsēonto be; to filter; to see, look, behold, perceive,...
5Proto-West Germanicsehwanto see
6Proto-Germanicsehwanąto see
7Proto-Indo-Europeansekʷ-to follow; to see; to say
Every word from Proto-Indo-European loiwomEvery word from Proto-Hellenic elaíwāEvery word from Ancient Greek ἐλαία