U+7B03 "笃" CJK Unified Ideograph-# Unicode Character

U+7B03 "笃" CJK Unified Ideograph-# is a Chinese character composed of the bamboo radical on top and the phonetic component “马” (meaning horse) below, which together convey the core meanings of sincerity, earnestness, and steadfastness. In modern usage, it appears in terms like "笃定" (assured, determined) and "笃信" (to firmly believe), emphasizing a sense of wholehearted commitment and depth. The character also carries a classical nuance of being serious or devoted, particularly in contexts relating to philosophy, personal character, or heartfelt behavior in East Asian languages such as Chinese and Japanese.