REN ream (of paper); set; party, company, gang, clique; series counter.

tsura(naru) range, be connected with, join; stand in a row; attend; join one's people (in death).

tsura(neru) put in a row, join.

tsu(reru) take (someone) along.

tsu(re) companion.

(ni)tsu(rete) in proportion to; accompanied by; to the accompaniment of.