Lesson 7 · Foundational Components

Mountain, Fire, Earth: 山 / 火 / 土

山 (shān, "mountain") has been waiting in the wings since Lesson 4, when it was named as the shape 出 resembles but isn't built from." Alongside it: 火 (huǒ, "fire"") and 土 (tǔ, "earth, soil"), which together with Lesson 1's 木 (mù, "tree") and 水 (shuǐ, "water") cover four of the five classical Chinese elements — 金 (jīn, "metal") is the one still missing, for a future lesson.

Your three new components

山
 
shān
mountain, hill
3 strokes
火
灬 (bottom)
huǒ
fire
4 strokes
土
 
tǔ
earth, soil
3 strokes

Quick recall — click each card to flip it:

山
shān — mountain, hill
火
huǒ — fire
土
tǔ — earth, soil
山 — a pictograph of three peaks, and it never changes shape. Oracle-bone script drew it with actual triangles; the three vertical strokes you write today are a stylised descendant of the same three peaks. Unlike 人 and 水, 山 stays 山 wherever it appears in a compound — there's no separate "component form" to learn. (Wiktionary: 山)
火 joins the shape-shifters. Lesson 1 flagged 人→亻 and 水→氵 as the only two components that change shape on the left side of a character. 火 is a third case, but on the bottom instead: it becomes 灬 (four dots) at the base of characters like 热 (rè, "hot") and 烈 (liè, "intense, fierce"). Same component, same meaning, different shape depending on position — worth scanning for whenever you see four dots under something.

Stroke order

山 — 3 strokes

Stroke order diagram for 山, 3 strokes
山 — 3 strokes
▶ watch animated

火 — 4 strokes

Stroke order diagram for 火, 4 strokes
火 — 4 strokes
▶ watch animated

土 — 3 strokes

Stroke order diagram for 土, 3 strokes
土 — 3 strokes
▶ watch animated

Examples using these components

Lesson 1's 林 (lín, "wood, grove") was two 木 stacked. One more makes it bigger:

森sēnforest, dense woods

木+木+木=森

Three trees instead of two: a 林 you could walk through quickly is a 森 you could get lost in. (Wiktionary: 森)

Fire follows the identical doubling logic:

炎yánblaze, flame; inflammation

火+火=炎

Fire intensified by repetition, the same logic as 林 — it shows up in 发炎 (fāyán, "to become inflamed") and 炎热 (yánrè, "scorching hot").

And 山 makes its first appearance in a real compound — reusing 亻 from Lesson 1:

仙xiānimmortal, fairy

亻+山=仙

The traditional image: a person (亻) withdrawing into the mountains (山) to cultivate immortality. Wiktionary's rigorous classification adds a layer this course hasn't shown you yet: 山 here isn't just contributing meaning, it's also a phonetic component — it hints at 仙's sound (both derive from a similar Old Chinese pronunciation), the other function Lesson 1's framework described but hadn't yet given you a clean example of. (Wiktionary: 仙)

Check your recall

Which component is a pictograph of three mountain peaks?

火 becomes which shape at the bottom of characters like 灰 and 灸?

仙 (亻+山) traditionally depicts:

Compared to 林 (two 木), 森 (three 木) suggests:

Go further

Etymology sources for every character above are linked inline. For the rigorous version of any of them, including the full phono-semantic analysis of 仙, see the Outlier Dictionary of Chinese Characters.

Out in the world: 山 turns up constantly in place names and hiking/scenic signage (anywhere there's a mountain to name); 火 in safety signage (灭火器 "fire extinguisher," 禁止吸烟 areas) once you also know a few more characters; 土 less often standalone, but it's the seed for an entire family of "earth-related" characters still to come.