いど
idomu

Godan Verb (mu)

1. to challenge to (a fight, game, etc.); to throw down the gauntlet; to contend for

Transitive
そのインディアンのれは、ほんのちょっとでもいからすとたたかいをいどもうとした。
sono indianno murewa honno chottodemo ikarasuto tatakaio idomōto shita.
The band of Indians were ready to go on the warpath at the slightest provocation.
Godan Verb (mu)

2. to tackle (e.g. a problem); to attempt; to go after (a prize, record, etc.)

Intransitive
Godan Verb (mu)

3. to pressure (someone) for sex; to make advances to

Intransitive
昨夜さくや結美ゆみのほうからいどんできたんだ。
sakuyawa yumino hōkara idonde kita nda.
Last night it was Yumi who pushed for sex.