和英辞書

あるは

conj

(obsolete) or, either; some ... and others

あるは友人、あるは敵として彼に接する。

Some approach him as friends, others as enemies.

意味（1）

(obsolete) or, either; some ... and others

905–914, kana preface to the Kokin Wakashū

905–914, kana preface to the Kokin Wakashū …逢(あふ)坂(さか)山(やま)に至(いた)りて手(た)向(む)けを祈(いの)り、あるは春(はる)・夏(なつ)・秋(あき)・冬(ふゆ)にも入(い)らぬ種(くさ)々(ぐさ)の歌(うた)をなむ、選(えら)ばせ給(たま)ひける。

… Ōsakayama ni itarite Tamuke o inori, aruwa haru natsu aki fuyu ni mo iranu kusagusa no uta o namu, erabasetamaikeru.All kinds of poems, such as …, the poems about coming to Ōsakayama and praying to the Tamuke no kami (traveler's guardian deity), or the poems which do not fall into any category of spring, summer, fall or winter, are chosen and collected.