ねんこうじょれつ nenkoujoretsu
seniority system
year, counter for years
N5
achievement, merits, success, honor, credit
N1
preface, beginning, order, precedence, occasion, chance, incidentally
file, row, rank, tier, column
N3
年功序列制度が崩壊（ほうかい）する
論資排輩的制度瓦解
