Where does “pag-imbestigar” come from?

pag-imbestigar (Bikol Central) comes from Bikol Central imbestigar, from Spanish investigar, from Latin investigo, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

Ancestry of “pag-imbestigar”, step by step

pag-imbestigar traces back through two separate lines of ancestry.

via Bikol Central imbestigar

StepLanguageWordMeaning
1Bikol Centralimbestigar
2Spanishinvestigarto investigate, to research
3LatininvestigoI track or trace out, search into, investigate
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin

via Bikol Central pag

StepLanguageWordMeaning
1Bikol Centralpag
Every word from Proto-Indo-European h₁én