noun
warts; wart-like bumps
Refers to small, raised bumps on the skin or surface, often used in a slightly childish or colloquial way. The reduplicated form いぼいぼ emphasizes the bumpy texture.
カエルの背中はいぼいぼしている。
A frog's back is covered with warts.
この壁紙はいぼいぼした手触りだ。
This wallpaper has a bumpy texture.
いぼ is the non-reduplicated form meaning 'wart' or 'bump'. いぼいぼ is more colloquial and emphasizes the bumpy texture or multiple bumps.
Reduplication of いぼ (wart), emphasizing plurality or a bumpy texture. The origin of いぼ itself is uncertain.