Alteration (probably by influence of silo) of ensilage (1881), itself from French ensilage, from ensiler (“put in a silo”), from Spanish ensilar.
Wikipedia silage (countable and uncountable; plural silages)
- Fermented green forage fodder stored in a silo.
silage (third-person singular simple present silages, present participle silaging, simple past and past participle silaged)
- To ensilage.