懇ろ

Etymology 1
→ * → →

Shift from nemokoro (see below).

Adjective

 * 1) courteous, hospitable, kind, warmly respectful
 * 2) intimate

Noun

 * 1) becoming intimate, having an intimate relationship

Verb

 * 1) to become intimate

Etymology 2
From.

Possibly a compound of + adverbial particle.

Adverb

 * 1)  wholeheartedly
 * , text here
 * , text here

Adjective

 * 1)  courteous, hospitable, kind
 * 2)  intimate