ἀκλινῶς

From LSJ

ἐφ' ὅσον αὐτοῦ ἡ ὑπόστασις τῶν χρόνων ὑπῆρχεν → as long as his store of years lasted

Source

Russian (Dvoretsky)

ἀκλῐνέως: совершенно прямо Anth.

Spanish

firmemente