Unknown origin
Antonyms for "unknown origin" (19 found)
Adjective(3 words)
biological data sourcechronicled historyfamily origins
Noun(14 words)
birth storydescriptor of origindocument provenancefrom recordsmanitoulinmeitneriumorigin descriptororigin tracingoriginating frompilaffprovenanceprovenance historiessource inferencetrace origin
Verb(2 words)
trace origin cluestracing the origin