PIE base ‘to fill’; with derivatives referring to abundance and multitude. See also pelə-³.
Derivatives include fill, complete, plenty, plenary, replenish, plural, polyhedron, polymath, polytheism, folk, accomplish, expletive, and plebeian.
[Pokorny *pel-1, pelə-, plē- ‘to pour, fill; full, plenary’, pp. 798–801.]
Glossary terms for this common ancestor to be added.