이라는 말은

the word or phrase …

→ 이다
phrase Rare #25,074
the word or phrase … Attaches to a word or statement to talk about it as a topic, often when explaining what it means.
KO: ‘사랑’이라는 말은 참 따뜻해요.
EN: The word “love” feels very warm.

금발 이라는 말은 금발 머리를 말하는 거 잖아

When you say “blonde,” you mean blonde hair, right?

— 어바웃 타임 (2013)