artificially flooded salt farm above the high-tide mark
Traditional salt-making method where seawater is manually carried or pumped onto a terraced field above the high-tide line, then evaporated. Contrasts with 入り浜 (irihama), which relies on natural tidal flooding.
See also: 入り浜
captured piece; captured stone
In the game of Go, a stone or group of stones that has been taken off the board by the opponent. Also referred to as 上げ石 (ageishi).
See also: 上げ石
On the Noto Peninsula, agehama-style salt farms still remain today.
In an agehama salt farm, seawater is repeatedly sprinkled to produce salt.
He counted the captured stones and assessed the board position.
Standard kanji spelling for the salt-farm sense.
Variant spelling without okurigana; less common but seen in some contexts.
Katakana spelling sometimes used in technical or commercial contexts.
Compound of 揚げ (age, 'lifting') + 浜 (hama, 'beach' or 'shore'). The salt-farm sense refers to the practice of lifting seawater onto the field. The Go sense likely derives from the idea of 'lifting' captured stones off the board.