Where does “perquirir” come from?

perquirir (Old Spanish) comes from Latin perquirere, from Latin perquiro, from Latin quaero, from Proto-Italic kʷaizeō, from Proto-Indo-European kʷeh₂- — to acquire.

Ancestry of “perquirir”, step by step

Step	Language	Word	Meaning
1	Latin	perquirere	second-person singular future passive indicative...
2	Latin	perquiro	I ask, inquire or search diligently; I examine
3	Latin	quaero	I seek, look for; I ask, question, inquire,...
4	Proto-Italic	kʷaizeō	—
5	Proto-Indo-European	kʷeh₂-	to acquire

Words derived from “perquirir”

pesquisa
metapesquisador
pesquisador
pesquisa
antipesquisa
pesquisar
pesquerir

Every word from Proto-Indo-European kʷeh₂- →

perquirir — Etymology, Origin & Word History | Etymology Explorer