This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
劦 visually combines three 力 (strength) components, suggesting combined or repeated strength, but the exact historical development is uncertain.
Three 力 (strength) components stacked together suggest a concentrated or cooperative force, but the kanji's actual meaning is uncertain.
For キョウ, imagine three strong people cooperating (協力, きょうりょく) to lift something heavy: キョウ comes from the first part of きょうりょく, and the triple 力 reinforces the idea of combined strength.