-arum (Latin) comes from Old Frisian alder, from Old Frisian thēr, from Proto-West Germanic þār, from Proto-Germanic þar, from Proto-Indo-European tar-, from Proto-Indo-European to-, from Proto-Indo-European só — this; that.
-arum (Latin): genitive feminine plural of -us; genitive plural...
Definitions
genitive feminine plural of -us; genitive plural...
Ancestry of “-arum”, step by step
-arum traces back through two separate lines of ancestry.