4 in notes

vifne -vif- gismu

(adjective:) x₁ is fresh/unspoiled.

See also fusra.

• lensisku

In notes:

co'urvifne

x₁ expires/becomes stale.

fusra

x₁ rots/decays/ferments with decay/fermentation agent x₂; x₁ is rotten/decayed/fermented.

tolvifne

x₁ is stale/expired.

vifra'exu'i

xu₁=r₁ is a preservative of type xu₂ keeping v₁=r₂ fresh.