Japanese edit

For pronunciation and definitions of 反すう – see the following entry.
反芻はんすう
[noun] (of cows, etc...) rumination, regurgitation
[noun] (figurative) meditating on, pondering
[verb] to ruminate, to chew the cud
[verb] to meditate on, to think over
(This term, 反すう, is an alternative spelling of the above term.)