古株
Noun
1
noun (common) (futsuumeishi)
old-timer;veteran;senior
腰掛けのつもりだったのに、気がついたら私もこの会社で古株になってしまった。
I only figured on staying with this company a little while when I started, but before I knew it I'd become an old timer here.
2
noun (common) (futsuumeishi)
old stump;old roots
original meaning