角
かど
kado
= corner / edge
You cannot give directions in Japanese without kado — it is the corner you turn at, the edge you bump your shin on, and the word every taxi driver waits to hear.
Kado refers to an external corner or edge: a street corner, the corner of a building, the sharp edge of a table. It is the backbone of spoken directions — kado o magaru means “to turn at the corner,” and tsugi no kado means “the next corner,” both phrases you will hear constantly when someone explains how to reach a shop or house. The same kanji 角 is not locked to one reading: as tsuno, it means the horn on an animal’s head (a deer’s tsuno, an oni’s tsuno); as kaku, it means a geometric angle, as in sankaku (triangle) or chokkaku (right angle). Which reading applies depends entirely on the meaning intended, not on any visual cue in the kanji itself.
The trap most learners fall into is confusing kado with sumi. Kado is an outside corner — one that sticks out, like a street corner or a table’s edge, the kind you can walk around or hit your toe on. Sumi is an inside corner — one that recedes, like the corner of a room where two walls meet. Mixing them up is a common but noticeable mistake. Beyond geometry, kado also describes personality and speech through two set idioms: kado ga tatsu (“the corner stands up”) describes words or actions that create friction or offend, while kado ga toreru (“the corner comes off”) describes a person mellowing and becoming rounder in character with age — the same physical image of a sharp edge, applied to how people treat each other.
Everyday use
次の角を右に曲がってください。
Tsugi no kado o migi ni magatte kudasai.
Please turn right at the next corner.
Casual / Social Media
テーブルの角に足の指をぶつけた！痛すぎる。
Teeburu no kado ni ashi no yubi o butsuketa! Itasugiru.
I hit my toe on the corner of the table! It hurts so much.
Formal / Cultural context
角が立たないように、もう少し柔らかい言い方に変えましょう。
Kado ga tatanai you ni, mou sukoshi yawarakai iikata ni kaemashou.
Let’s rephrase that more gently so it doesn’t come across as harsh.
Japan’s address system famously does not rely on street names the way many Western countries do — most streets have no signs identifying them at all. Instead, addresses are built from area codes, block numbers, and building numbers, which means spoken directions carry the real navigational weight. Kado becomes the connective tissue of every explanation: turn at this kado, pass that kado, the shop is just past the third kado. Convenience stores, vending machines, and other landmarks fill in the rest, but the corner is the pivot point people actually describe.
The idioms kado ga tatsu and kado ga toreru reveal something about how interpersonal friction is imagined in Japanese. A blunt remark is described as having a corner that “stands up” and catches on people, echoing a culture where indirectness is often valued precisely because it avoids sharp edges in conversation. Aging, by contrast, is pictured as those same corners gradually wearing smooth — a person becomes easier to be around as their kado disappear, the same way a stone loses its edges in a river over years.