発達（はったつ、haっtatsu）
- development

The Japanese word 発達 (はったつ) primarily means "development," "growth," or "progress." It describes the process of something growing, maturing, or becoming more complex over time. It can refer to physical, mental, social, or economic development, among other areas. The 発達 process typically implies positive change and improvement. It emphasizes a state of evolving or becoming.

⚫︎子供の身体が発達する。 Translation: The child's body develops. ⚫︎経済発達。 Translation: Economic development. ⚫︎脳の発達を促す。 Translation: To promote brain development.

You can use 発達 in various contexts when discussing: ⚫︎ Human growth and the 発達 of children. ⚫︎ The 発達 of a skill or ability. ⚫︎ The evolution or progress of a country, industry, or organization. ⚫︎ The maturation of something, like a technology. It's suitable for both formal and informal situations.

発達 is typically written in kanji as 発達 (はったつ). The reading is always "hattatsu" in hiragana. There are no other ways to write this word. The okurigana (suffix hiragana) is standard.

⚫︎ 成長 (せいちょう) - growth, development (often used for living things) ⚫︎ 発展 (はってん) - development, expansion, progress (often used for systems, society, or technology) ⚫︎ 進歩 (しんぽ) - progress, advancement ⚫︎ 展開 (てんかい) - development, expansion (more specific like project or plot)

⚫︎ 衰退 (すいたい) - decline, decay ⚫︎ 退化 (たいか) - degeneration, devolution ⚫︎ 停滞 (ていたい) - stagnation

赤ちゃんの知能は日々発達しています。 ・Translation: The baby's intelligence is developing every day. ・Explanation: This sentence describes the continuous 発達 of a baby's cognitive abilities.

この地域のインフラは近年目覚ましく発達しました。 ・Translation: The infrastructure in this region has developed remarkably in recent years. ・Explanation: This sentence illustrates the progress or 発達 of infrastructure within a specific area.

The word 発達 (はったつ) is composed of two kanji: ⚫︎ 発 (はつ/hatsu), meaning "to start," "to originate," or "to develop." ⚫︎ 達 (たつ/tatsu), meaning "to reach," "to arrive," or "to achieve." Together, these kanji convey the idea of something beginning and then progressing to a certain point or state, therefore the word 発達 meaning development.