還暦 かんれき横綱 よこずな手数 てすう りであれば
kanrekiyo kozuna tesū irideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 還暦横綱手数入り

1. If it involves a skilled sumo wrestler celebrating their 60th birthday.; If a skilled sumo wrestler's involvement is considered.

Ba Conditional
Sumo