殷切

ardent / eager / earnest

surname Yin / dynasty name at the end the Shang dynasty, after their move to Yinxu 殷墟 in modern Henan province

dark red

flourishing / abundant / earnest / hospitable

roll of thunder

to cut / to slice / tangent (math)

definitely / absolutely (not) / (scoffing or dismissive interjection) Yeah, right. / Tut! / to grind / close to / eager / to correspond to / see also 反切[fan3 qie4]