日久歲深

to last for an eternity (idiom)

abbr. for 日本[Ri4 ben3], Japan

sun / day / date, day of the month

(long) time / (long) duration of time

classifier for years (of age) / year / year (of crop harvests)

old variant of 深[shen1]

deep / depth / deeply / (of a color) dark / deep / rich

deep (lit. and fig.)