手て垢あか

noun

finger marks; grime from hands

Refers to dirt, oil, or smudges left on surfaces by handling. Often used for well-worn objects like books or handrails.

• 図と書しょ館かんの本ほんは手て垢あかで汚よごれていることがある。

  Library books are sometimes stained with finger marks.

• 手て垢あかがついた手てすりを掃そう除じした。

  I cleaned the handrail covered in grime from hands.