せい
Meanings
Noun
1. 生まれて以後、現在までの期間。「生後5ヶ月」
Kanji used
life
after
Pitch accent
いご
いご
Top 29600
Composed of
life; living; I; me; student
① 動作や行為に遅れて成立すること。
Examples (2 in total)
This baby is 3 weeks old.
We have a new puppy. He is about 12 weeks old.