Save Type Surname (from location) Usage Japanese Scripts 岩本(Japanese Kanji) いわもと(Japanese Hiragana) Pronounced Pron. /i.ɰᵝä.mo̞.to̞/ [key·simplify] Meaning & History From Japanese 岩 (iwa) meaning "cliff, rocks" and 本 (moto) meaning "base, root, origin". Related Names Rootsiwa + moto Categories landforms, stone