the number of overlaps; fold, layer

main, principal, important

heavy, weighty / involving large-scale manufacture, heavy / great in degree, heavy, serious, severe, hard, difficult

weight

(Classical Japanese, archaic) to pile, add layers, stack, heap / (Classical Japanese, archaic) to repeat

heavy; important

Alternative spelling of てんびん座 (“Libra”) (constellation)

use one thing for many purposes / work someone hard

(astrology) Libra

to use one's head