aquatint
‘engraving on copper with nitric acid’
Lexical development traced from the Tamil root:
Fra. aquatinte < Ital. acquatinta < Lat. aqua tincta ‘dyed water’ < Lat. aqua 'water, the sea, rain' < akvuh < akwa- < Tamil ampu
aquatint
English words derived from Tamil ampu connotating 'water, sea'