水土

water and soil / surface water / natural environment (extended meaning) / climate

surname Shui

water / river / liquid / beverage / additional charges or income / (of clothes) classifier for number of washes

Tu (ethnic group) / surname Tu

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

not acclimatized

soil conservation

Seaboard Geographic Gazetteer (c. 275) by Shen Ying 沈瑩|沈莹

(of a stranger) not accustomed to the climate of a new place / not acclimatized