adding to; extending; topping up
Refers to the act of adding something to an existing thing to extend or replenish it, often used in contexts like adding liquid to a pot or extending a piece of wood.
Simmer while adding water to the stew.
The wood wasn't long enough, so we extended it by joining another piece.
Standard kanji spelling.
Variant spelling without okurigana ぎ; less common but acceptable.
Compound of 継ぎ (continuation, from 継ぐ) and 足し (addition, from 足す).