___
___ 回 [go around]
On-reading: カイ as in 今回 konkai ___
KAI mawa(ru|su) to go around  
回る mawaru to go around
今回 konkai this time  
前回 zenkai the last time | the other time  
週に三回 shū ni sankai three times a week 週 [week] 
_t-occurence maikai every time