脇（わき、waki）
- side

The Japanese word 脇 (わき) primarily refers to the "armpit" or "side" of the body. It can also figuratively mean "side" or "support," depending on the context. 脇 is a versatile word, and its meaning shifts based on the surrounding words and situation. ⚫︎ It describes the physical armpit area. ⚫︎ It can refer to the side or flank of something, not just a person. ⚫︎ It sometimes carries a meaning of "support" or "assistance" (less common).

⚫︎ 腕の脇 Translation: The armpit. ⚫︎ 脇の下にカバンを抱える。 Translation: To hold a bag under one's arm. ⚫︎ 脇で応援する。 Translation: To support (someone) from the side. (Figurative meaning)

⚫︎ Use 脇 when you're talking about the armpit, literally or figuratively. ⚫︎ In daily conversation, 脇 is straightforward when describing the body part. ⚫︎ When used metaphorically, such as "support," the meaning becomes apparent from the sentence's context.

⚫︎ The basic form is written in hiragana: わき. ⚫︎ The kanji is 脇. ⚫︎ There are no significant variations in okurigana for common usage.

⚫︎ For armpit: 腋 (えき) - This is a more formal and less frequently used term for the armpit. ⚫︎ For side/flank: 側 (そば), 傍 (そば), 横 (よこ) - These can refer to the side of an object or person but might not always be interchangeable with 脇. ⚫︎ For support (figurative): 支援 (しえん), サポート (loanword) - These terms are used for more general support.

⚫︎ There aren't direct antonyms as 脇 has various meanings. A direct opposite is dependent on the specific meaning being used. For example: ⚫︎ For armpit, there isn't a direct opposite. ⚫︎ For side, consider "center" 中心 (ちゅうしん), depending on context. ⚫︎ For support, consider "opposition" 反対 (はんたい).

夏の暑い日は、脇汗をかく。 ⚫︎ Translation: On hot summer days, I sweat under my armpits. ⚫︎ Explanation: This uses 脇 to directly refer to the armpit area and the common bodily function of sweating there.

彼はプロジェクトの脇を固めた。 ⚫︎ Translation: He shored up the side of the project. ⚫︎ Explanation: Here, 脇 implies a supporting role or contribution to ensure the project's success.

The etymology of 脇 is not definitively known, but it's believed to be linked to the concept of the "side" of something, be it a body or an object. The word has ancient origins in the Japanese language.