οἴοθεν
From LSJ
Πολλοὺς ὁ πόλεμος δι' ὀλίγους ἀπώλεσεν → Bellum paucorum gratia aufert plurimos → Der Krieg vernichtet viele wegen weniger
English (LSJ)
Adv.
A from one only, i. e. by oneself, alone, οἰ. οἶος Il.7.39,226 ; without οἶος, Arat.55, A.R.1.270, etc.