傾く

Etymology 1
→

Shift from katabuku (see Etymology 2), the medial loses plosive and becomes a nasal.

Verb

 * 1) to tilt, lean, incline
 * 2) to favor
 * 3) to wane
 * 4) to lose force, power, or momentum
 * 5) to set in the west, setting of the sun or moon
 * 1) to set in the west, setting of the sun or moon

Etymology 2
From.

Verb

 * 1)  to tilt, lean
 * 2)  to think something strange or odd
 * 3)  to set in the west, said of the sun or moon
 * , text here
 * 1) * 1086, ' (book 12, poem 680; also ', poem 59)
 * 2)  to lose force, power, or momentum
 * 3) to favor
 * 4) to blame; to criticize (US)/criticise (UK)
 * 1)  to lose force, power, or momentum
 * 2) to favor
 * 3) to blame; to criticize (US)/criticise (UK)
 * 1) to favor
 * 2) to blame; to criticize (US)/criticise (UK)
 * 1) to blame; to criticize (US)/criticise (UK)

Etymology 3
From +.

The kanji is, likely from the tilt sense.

Verb

 * 1)  to tilt one's head
 * 2)  to dress or act in a strange or eccentric way to attract one's attention
 * 3)  to perform kabuki