The story
- Proto-Indo-European · derived from*pleh₁-“to fill”
- Latin · derived fromnōn plūs“no further, no more”
- English todaynonplus
The noun is derived from Latin nōn plūs (“no further, no more”), from nōn (“not”) + plūs (“additionally, more; further”) (ultimately from Proto-Indo-European *pleh₁- (“to fill”)). The verb is derived from the noun.
Words from the same roots
Latinnōn plūs all →
Proto-Indo-European*pleh₁- all →
Etymology from Wiktionary, CC BY-SA 4.0.