Translation and Meaning of: 投入 - tounyuu

The Japanese word 投入 (とうにゅう) may seem simple at first glance, but it carries important nuances in the language. If you are looking for its meaning, translation, or how to use it in daily life, this article will clarify those doubts in a direct and practical way. Additionally, we will explore its cultural context and tips for memorizing it – all based on reliable sources, such as the Suki Nihongo dictionary.

Meaning and use of 投入

投入 is a noun that means "investment," "insertion," or "launch," depending on the context. It is formed by the kanji 投 (to throw) and 入 (to enter), which already gives a hint about its general meaning: to place something inside a system or environment. For example, in business, it can refer to investing resources; in sports, to the act of throwing a ball in the game.

In daily life, this word appears in formal and technical situations, such as corporate reports or news about the economy. A Japanese person would hardly use 投入 in casual conversations unless they were discussing a specific project. Its application is more common in contexts involving planning or strategic action.

Origin and components of kanjis

The etymology of 投入 traces back to the kanjis that compose it. 投 (tou) comes from the verb 投げる (nageru), which means "to throw" or "to cast." Meanwhile, 入 (nyuu) is linked to "to enter" or "to insert," as in 入る (hairu). The combination of these ideograms reinforces the idea of introducing something into a space or situation, either literally or figuratively.

It is worth noting that both kanji are common in Japanese. 投 appears in words like 投票 (touhyou, "voting"), while 入 is found in basic terms like 入学 (nyuugaku, "school admission"). This pattern helps to understand why 投入 is a logical word for native speakers, even if it is not one of the most frequent.

Tips for memorization and curiosities

An effective way to retain 投入 is to associate it with practical situations. Think of a businessman "putting" (投) resources "into" (入) a project. This mental image creates a clear connection between the kanjis and the meaning of the word. Another tip is to note down real phrases, such as 資金を投入する (shikin o tounyuu suru, "invest capital"), to see the term in action.

Interestingly, 投入 does not have significant dialectal variations in Japan, but its use may be more intense in urban areas where corporate vocabulary is more prevalent. Although it does not frequently appear in animes or dramas, it can be found in journalistic or technical materials – a good reason for advanced students to become familiar with it.

Vocabulary

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Synonyms and similar words

• 投入 (とうにゅう) - Investment, introduction of resources

投入

Romaji: tounyuu
Kana: とうにゅう
Type: Noun, Verb
L: jlpt-n1

Translation / Meaning: throw; investment; manufacturing (an electrical circuit)

Meaning in English: throw;investment;making (an electrical circuit)

Definition: Place things or resources in a specific location.

Example Sentences - (投入) tounyuu

See below some example sentences:

投入することが成功の鍵です。

Tōnyū suru koto ga seikō no kagi desu

Presenting is the key to success.

• 投入すること - means "to invest" or "to put into practice".
• 成功 - means "success".
• 鍵 - means "key" or "secret".