溝（みぞ、mizo）
- ditch/groove

The Japanese word 溝 (みぞ) primarily refers to a ditch, a groove, a furrow, or a channel. ⚫︎ It can describe a man-made or natural depression in the ground, often used for drainage or to guide water. ⚫︎ It can also refer to a narrow, elongated depression on a surface, like a groove in a record or a seam. ⚫︎ Figuratively, 溝 can sometimes mean a disparity or a gap between things.

⚫︎ 道路に雨水が流れるための溝 Translation: A ditch for rainwater to flow on the road. ⚫︎ レコードの溝に埃が溜まっている Translation: Dust is accumulating in the grooves of the record. ⚫︎ 二人の間に深い溝がある Translation: There is a deep gap between the two people.

You use 溝 when you're talking about: ⚫︎ Physical depressions in the ground (ditches, furrows). ⚫︎ Grooves or channels on surfaces. ⚫︎ Figurative gaps or differences between people or things. Use it in formal or informal conversations, depending on the context.

⚫︎ The word is typically written with the kanji 溝. ⚫︎ The reading is みぞ (hiragana). ⚫︎ There are no common variations in the okurigana.

⚫︎ 堀 (ほり) - ditch, moat ⚫︎ 水路 (すいろ) - waterway, channel ⚫︎ 隙間 (すきま) - gap, space ⚫︎ 溝渠 (こうきょ) - drain, ditch (more formal)

⚫︎ There isn't a direct antonym, as it depends on the context. If referring to a "gap," then "connection" or "harmony" could be considered. ⚫︎ For a physical 溝, a raised area like 隆起(りゅうき - bump/elevation) could be considered an opposite.

庭の溝を掃除してください。 ・Translation: Please clean the ditch in the garden. ・Explanation: This sentence uses 溝 to refer to a ditch in a garden that needs cleaning.

その二つの国の間には深い政治的溝がある。 ・Translation: There is a deep political divide between those two countries. ・Explanation: This sentence uses 溝 metaphorically to describe a significant difference or gap.

The etymology of 溝 is not completely clear, but the kanji itself is a combination of two components: ⚫︎ The left side (氵, three strokes) is the "water" radical. ⚫︎ The right side ( [殳], four strokes) indicates the use of an implement. This hints that it may have originated from a construction or a channel used for guiding water.