Where does “pieu” come from?

pieu (Papiamentu) comes from Kabuverdianu piodju, from Portuguese piolho, from Old Portuguese peollo, from Late Latin peduclus, from Latin peduculus, from Latin pedīculus, from Latin pēdis, from Latin pēs — Derives agent nouns from verbs, denoting someone...

pieu (Papiamentu): louse

Definitions

louse

Ancestry of “pieu”, step by step

pieu traces back through two separate lines of ancestry.

via Kabuverdianu piodju

Step	Language	Word	Meaning
1	Kabuverdianu	piodju	louse
2	Portuguese	piolho	louse
3	Old Portuguese	peollo	louse
4	Late Latin	peduclus	Alternative form of pēduculus
5	Latin	peduculus	Alternative form of pēdiculus; louse
6	Latin	pedīculus	A little foot
7	Latin	pēdis	louse
8	Latin	pēs	a foot, in its senses as
9	Ancient Greek	μέτρον	something used to measure: measure, rule, weight;...
10	Ancient Greek	-τρον	Forms instrument nouns
11	Proto-Hellenic	-tron	Forms instrument nouns from verb stems
12	Proto-Indo-European	-trom	Forms nouns denoting a tool or instrument
13	Proto-Indo-European	-tḗr	Derives agent nouns from verbs, denoting someone...

via Spanish piojo

Step	Language	Word	Meaning
1	Spanish	piojo	a louse, a cootie
2	Latin	peduclus	Alternative form of pēduculus

Every word from Proto-Indo-European -tḗr →Every word from Ancient Greek -τρον →Every word from Ancient Greek μέτρον →