jiwatto
A slow, spreading sensation — warmth flowing through your body, sweat seeping out, or a dull ache gradually intensifying. The long vowel emphasizes the slowness.
💡Sitting in a hot spring — 'The warmth spread jiwatto through my body.'
温泉に入ったら体がじわーっと温まった。
The hot spring warmth spread jiwatto through my body.
The warm tea made my body feel ___ relaxed from inside.
温かいお茶を飲んだら、体が○○温まった。