κάμπτω

[in LXX chiefly for כָּרַע, 4Ki.1:13, 2Ch.29:29, Isa.45:24 (23), al. ;]

to bend, bow: with accusative of thing(s), γόνυ, τὰ γ.; with dative of person(s), τῇ Βάαλ, Rom.11:4 (LXX); πρὸς τ. πατέρα, Eph.3:14; by meton. πᾶν γόνυ for πᾶς, Rom.14:11 (LXX) Php.2:10 (cf. ἀνα-, συν-κάμπτω).†

(AS)

to bend; bow