ヤ
Ainu「岡」
yamedium
Tamura explicitly glosses land as おか and Kayano includes 陸, 岸, おか. This supports the historical 岡 as land in contrast with the sea; no hill landform is inferred from that character alone.
References
Occurrences (1)
- National Institute for Japanese Language and Linguistics · 乾巻 · Page 10, line 13 · ヤ
…たシツテキシヤム ヲタシヤム川向ふベツプタ川の俣ベタヌ古川メム岡ヤ ヤタ丘陵ヤベカ川原ビタラ ツビラツカビウカ瀬ラツカ堀ヱチヤン ウヲリ シリウヲリ野ヌプカ坂シリ…