BY CHANCE; COUPLE

偶　グウ　たま

JY f1573 132
by chance, accidentally, by coincidence, unexpectedly
偶然に・ぐうぜんに・by chance, co-incidetally
偶発的・ぐうはつてき・accidental, contingent
偶感・ぐうかん・random thoughts, chance impressions
couple, pair
配偶者・はいぐうしゃ・spouse
対偶・たいぐう・spouse, companion, contrapositive
math - even numbers
偶数・ぐうすう・even numbers
奇遇・きぐう・odd and even numbers
orginal meaning - wooden doll, idol
偶像・ぐうぞう・idol, image

偶に・たまに・on rare occasions
偶々・たまたま・by chance, accidentally

"person" and "clawless scorpion with twisting tail", with phonetic meaning of "meet by chance" - ultimately coming to mean "to become companions" and hence idea of pair. The idol meaning may come from the practice of burying a doll with persons of rank to be their companion in the after life.

TEST SECTION
by chance, co-incidetally
accidental, contingent
random thoughts, chance impressions spouse
spouse, companion, contrapositive
even numbers
odd and even numbers
idol, image
on rare occasions
by chance, accidentally