カン, つらぬ.く, ぬ.く, ぬき, つら, ぬく
pierce, 8 1/3lbs, penetrate, brace
JLPT1 G7 S11 F1156
Originally, a depiction of two rounded seashells, pierced and adhering closely in being strung together → *pierce*; *penetrate*; *go through* (compare 擐). *Consistent* and *carry out* are extended meanings. The present form combines 貝 shell/commodities + 毌#, a depiction of a cowrie shell (distinguish from 毋).
[Full Kanji Etymology List]