root; source; origin; cause
source of information; intelligence source; message source
source of river; fountainhead
origin of a word; derivation of a word; etymology
sound source; sound generator; tone generator
source (e.g. of a river); headwaters; origin of something continuous (language, culture, etc.)
source (of a transmission, broadcast, etc.); point of origin
source of funds; resources; finances
hypocentre (of an earthquake); hypocenter
diving beetle; Japanese predacious diving beetle (Cybister japonicus)
origin; root; cause; principle
source of protein; protein source
origin of an illness; cause of a disease; pathogenesis; etiology
source of protein; protein source
source of protein; protein source
source (for a news article, etc.)
source (of a river); fountainhead; (arch.) source; (arch.) origin; (arch.) rise
substance of a sin; source of a sin
tax source; source of taxation revenue; taxable item
origin of a character; composition of a Chinese character; Chinese character from which a kana character is derived
thermal spring source; onsen source
carbon sink; carbon dioxide sink; CO2 sink
carbon sink; carbon dioxide sink; CO2 sink
source of radiation; radiation source
ingredient (of a traditional Chinese medicine)