“leaf / town block unit” in Japanese is 丁, read chou, tei (ちょう, てい). It is a Grade 3 Kyōiku kanji, taught in year 3 of Japanese elementary school, and appears in words such as 丁目 (town block number).
What does 丁 mean?
一丁目に住む。
Same sound, different character — the classic trap. Compare them side by side: