Where does “abjura” come from?

abjura (Maltese) comes from Italian abiurare, from Latin abiūrō, from Latin ab-, from Latin āb, from Proto-Germanic *ab, from Proto-Indo-European apó.

abjura (Maltese): to abjure, to renounce

Definitions

to abjure, to renounce

Ancestry of “abjura”, step by step

Step	Language	Word	Meaning
1	Italian	abiurare	To abjure
2	Latin	abiūrō	to deny on oath, abjure
3	Latin	ab-	from, away, away from; off; at a distance
4	Latin	āb	from, away from, out of
5	Proto-Germanic	*ab	—
6	Proto-Indo-European	apó	—

Every word from Proto-Indo-European apó →Every word from Proto-Germanic *ab →Every word from Latin āb →