IPA: /ˈsɔːrdsmənʃɪp/
KK: /ˈsɔrdsmənˌʃɪp/
The ability to use a sword skillfully and effectively in combat or practice.
He trained for years to master the art of swordsmanship.
Swordsmanship → It is formed from "sword" (from Old English *sweord*, meaning a cutting weapon) and "-smanship" (from Old English *smið*, meaning craft or skill). The word refers to the skill or craft of using a sword.
Think of the word 'sword' as the weapon and '-smanship' as the skill or craft involved in using it — that's why swordsmanship means the skill of using a sword.