Where does “pludolcigar” come from?

pludolcigar (Ido) comes from Ido plu, from French plus, from Old French plus, from Latin plūs, from Old Latin plous, from Proto-Indo-European ploh₁is-.

pludolcigar (Ido): to soften, render milder

Definitions

to soften, render milder

Ancestry of “pludolcigar”, step by step

pludolcigar traces back through two separate lines of ancestry.

via Ido plu

Step	Language	Word	Meaning
1	Ido	plu	more, further
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-	—

via Ido dolca

Step	Language	Word	Meaning
1	Ido	dolca	sweet
2	French	doux	sweet; soft; mild, gentle
3	Old French	dous	soft; soft, tender; Alternative form of deus
4	Latin	dulcis	sweet; sweet-smelling, sweet-scented, fragrant;...
5	Proto-Indo-European	dl̥kú-	sweet

Every word from Proto-Indo-European ploh₁is- →