Where does “ample” come from?

ample (Old French) comes from Latin amplus, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Ancestry of “ample”, step by step

StepLanguageWordMeaning
1Latinampluslarge, spacious, roomy; abundant, ample;...
2Latin-ōsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
3Proto-Indo-European-ōDerives nouns from roots

Words derived from “ample”

Every word from Proto-Indo-European -ō →Every word from Latin -ō →Every word from Latin amplus →