慕う

したう · shitau · JLPT N1 · verb-godan

to yearn to adore

慕 = 莫 + 心: a heart that cannot stop longing for someone

The bottom part 心 means heart, which is why 慕 is a feeling word. The top 莫 gives the sound mo and suggests a 'no' that never quite stops the longing.