Koicha

Some articles on koicha:

Matcha - Traditional Preparation
... ways of preparing matcha thick (濃茶, koicha?) and thin (薄茶, usucha?) ... considered that 40 g of matcha will provide for 20 bowls of usucha or 10 bowls of koicha Koicha, or thick tea, requires significantly more matcha (usually about doubling ... Koicha is normally made with more expensive matcha from older tea trees (exceeding thirty years) and thus actually produces a milder and sweeter tea ...
Japanese Tea Ceremony - Koicha and usucha
... are two main ways of preparing matcha for tea ceremony thick (濃茶, koicha?) and thin (薄茶, usucha?), with the best quality tea leaves used in preparing thick ... Historically, the tea leaves used as packing material for the koicha leaves in the tea urn (茶壺, chatsubo?) would be served as thin tea ... Japanese historical documents about tea ceremony that differentiate between usucha and koicha first appear in the Tenmon era (1532–55) ...