Where does “dalabra” come from?

dalabra (Vulgar Latin) comes from Latin dolabra, from Latin -bra, from Proto-Indo-European -dʰrom — Alternative form of *-trom; instrumental suffix.

Ancestry of “dalabra”, step by step

StepLanguageWordMeaning
1Latindolabrapickaxe
2Latin-branominative neuter plural of -brum; accusative...
3Proto-Indo-European-dʰromAlternative form of *-trom; instrumental suffix
Every word from Proto-Indo-European -dʰrom →Every word from Latin -bra →Every word from Latin dolabra →