What does 先行 mean?
先行 is a Japanese noun meaning “preceding, going first” in English. It can also be translated as “scoring first, stalker” depending on context. It is written as 先行 in kanji, せんこう in hiragana, and senkou in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
稲光は雷の音に先行する。
The flash of lightning precedes the sound of thunder.