noun
pencil writing; pencil drawing
Refers to the act of writing or drawing with a pencil, or the resulting pencil marks. Often contrasted with pen or ink.
この書類は鉛筆書きでは受け付けられません。
This document will not be accepted if it is written in pencil.
彼のノートは鉛筆書きでびっしり埋まっていた。
His notebook was filled with pencil writing.
Compound of 鉛筆 (pencil) and 書き (writing, from 書く). The exact historical derivation is straightforward.