Where does “plia” come from?

plia (Esperanto) comes from Esperanto pli, from French plus, from Old French plus, from Latin plūs, from Old Latin plous, from Proto-Indo-European ploh₁is-.

plia (Esperanto): additional

Definitions

additional

Ancestry of “plia”, step by step

Step	Language	Word	Meaning
1	Esperanto	pli	more
2	French	plus	more, -er; more; the most, -est
3	Old French	plus	more than
4	Latin	plūs	more; more of
5	Old Latin	plous	—
6	Proto-Indo-European	ploh₁is-	—

Every word from Proto-Indo-European ploh₁is- →Every word from Old Latin plous →Every word from Latin plūs →