常節

とこぶし

noun

•

Sulculus diversicolor supertexta (species of abalone or ear shell)(usually kana)

常	usual, ordinary, normal, common, regular, continually, always, long-lasting
節	node, season, period, occasion, verse, clause, stanza, honor, joint, knuckle, knob, knot, tune, melody
床	bed, counter for beds, floor, padding, tatami
伏	prostrated, bend down, bow, cover, lay (pipes)