dartsman

Etymology tree
Proto-Indo-European *dʰerh₃-
Proto-Indo-European *dʰórh₃-eh₂
Proto-Germanic *darō
Proto-Germanic *-ōþuz
Proto-Germanic *darōþuz
Frankish *darōþubor.
Medieval Latin dardus
Old French dartbor.
Middle English dart
English dart
English -s-
Proto-Indo-European *mon-
Proto-Germanic *mann-
Proto-West Germanic *mann
Old English mann
Middle English man
Middle English -man
English -man
English dartsman
From dart + -s- + -man.