Where does “moluska” come from?

moluska (Indonesian) comes from New Latin Mollusca, from Latin molluscus, from Latin mollis, from Latin molduis, from Proto-Italic moldus, from Proto-Indo-European *ml̥dus, from Proto-Indo-European (s)meld- — to soften, to melt.

moluska (Indonesian): mollusc

Definitions

mollusc

Ancestry of “moluska”, step by step

Step	Language	Word	Meaning
1	New Latin	Mollusca	—
2	Latin	molluscus	soft
3	Latin	mollis	soft, delicate to the touch; pliant, flexible,...
4	Latin	molduis	—
5	Proto-Italic	moldus	—
6	Proto-Indo-European	*ml̥dus	soft, weak
7	Proto-Indo-European	(s)meld-	to soften, to melt

Every word from Proto-Indo-European (s)meld- →Every word from Proto-Indo-European *ml̥dus →Every word from Proto-Italic moldus →