今朝- Wiktionary
From Middle Chinese compound 今朝 (kim trjew, literally “now morning”). /konteu/ → /kontjoː/. The /eu/ → /joː/ sound shift is a regular phonological change.
更多資訊〈word choice - Is 「今朝」 or 「今日の朝」 more natural? - Japanese ...〉
更多資訊〈今朝 : at the present,... : jīn zhāo | Definition | Mandarin Chinese Pinyin ...〉