ampleness

Etymology tree
Proto-Indo-European *h₃emh₃-der.
Proto-Indo-European *h₃emh₃-lo-s
Proto-Italic *amlos?
Proto-Indo-European *h₂ent-
Proto-Indo-European *-s
Proto-Indo-European *h₂énts?
Proto-Indo-European *h₂m̥bʰíder.
Proto-Italic *amβi
Latin ambi-
Proto-Indo-European *pleh₁-
Proto-Indo-European *-nós
Proto-Indo-European *pl̥h₁nós
Proto-Italic *plēnosder.
Latin plēnus?
Latin ambiplus?
Latin amplus
Old French ample
Middle French amplebor.
Middle English ample
English ample
Proto-Germanic *-inōną
Proto-Indo-European *-dyé-
Proto-Germanic *-atjaną
Proto-Indo-European *-tus
Proto-Germanic *-þuz
Proto-Germanic *-assuz
Proto-Germanic *-inassuz
Proto-West Germanic *-nassī
Old English -nes
Middle English -nesse
English -ness
English ampleness
From ample + -ness.