Where does “lievissimo” come from?

lievissimo (Italian) comes from Italian lieve, from Latin lēvis, from Proto-Italic leɣʷis, from Proto-Indo-European h₁léngʰus, from Proto-Indo-European h₁lengʷʰ- — light.

Ancestry of “lievissimo”, step by step

StepLanguageWordMeaning
1Italianlievelight; light, delicate, gentle; slight, minor
2Latinlēvislight, not heavy
3Proto-Italicleɣʷislight
4Proto-Indo-Europeanh₁léngʰuslightweight
5Proto-Indo-Europeanh₁lengʷʰ-light
Every word from Proto-Indo-European h₁lengʷʰ- →Every word from Proto-Indo-European h₁léngʰus →Every word from Proto-Italic leɣʷis →