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経緯儀 (けいいぎ) Japanese meaning | Kotomora

経けい緯い儀ぎ

け

い

い

ぎ

Meanings

1

noun

A precision optical instrument for measuring horizontal and vertical angles, used in surveying and engineering.

測そく量りょう士しが経けい緯い儀ぎで角かく度どを測はかっている。
The surveyor is measuring angles with a theodolite.

Kanji

経sutra, longitude, pass thru
緯horizontal, woof, left & right
儀ceremony, rule, affair

Etymology

Compound of 経緯 (keii, 'longitude and latitude') and 儀 (gi, 'instrument'). The exact historical derivation is uncertain; the spelling is conventionally associated with the instrument's function.