noun which may take the genitive case particle 'no'
sun-dried
Describes food or other items dried naturally in the sun, often used in cooking contexts.
天道干しのトマトは味が濃くなる。
Sun-dried tomatoes develop a richer flavor.
この地域では、魚を天道干しにして保存する。
In this region, fish is preserved by sun-drying.
Synonym also meaning 'sun-dried'; 天日干し is more common in modern usage, while 天道干し is slightly more traditional or regional.
Compound of 天道 (てんとう, 'sun', an older term) and 干し (ぼし, 'drying', from 干す). The reading ぼし is a rendaku form of ほし.