近親相姦

きんしんそうかん

noun, no-adjective

•

incest

近	near, early, akin, tantamount
親	parent, intimacy, relative, familiarity, dealer (cards)
相	inter-, mutual, together, each other, minister of state, councillor, aspect, phase, physiognomy
姦	wicked, mischief, seduce, rape, noisy

ぎろん

、

ははおや

むすこ

きんしんそうかん

もくにん

ぶぞく

しゃかい

かてい

Imagine, for the sake of argument, a tribal group in which mother-son incest was countenanced