一杯
いっぱい one cup (of); one glass (of)
Why it means this
一 (one) + 杯 (a cupful) — one drink; also, read the same, 'full, as much as possible' (精一杯; 会場は一杯だ).
Breakdown
Each character links to its full entry — origin story, stroke order, and readings.
いっぱい one cup (of); one glass (of)
一 (one) + 杯 (a cupful) — one drink; also, read the same, 'full, as much as possible' (精一杯; 会場は一杯だ).
Each character links to its full entry — origin story, stroke order, and readings.