()(とど)

いきとどく
verb (godan)
to be thorough; to be attentive; to reach everywhere
自動詞 intransitiveaction
Conjugation
AffirmativeNegative
Present()(とど)()(とど)かない
Present polite()(とど)きます()(とど)きません
Past()(とど)いた()(とど)かなかった
Past polite()(とど)きました()(とど)きませんでした
て form()(とど)いて()(とど)かなくて
ている present()(とど)いている()(とど)いていない
ている polite()(とど)いています()(とど)いていません
ている past()(とど)いていた()(とど)いていなかった
ている past polite()(とど)いていました()(とど)いていませんでした
Conditional ば()(とど)けば()(とど)かなければ
Conditional たら()(とど)いたら()(とど)かなかったら
Volitional()(とど)こう
Volitional polite()(とど)きましょう
Potential()(とど)ける()(とど)けない
Passive()(とど)かれる()(とど)かれない
Causative()(とど)かせる()(とど)かせない
Imperative()(とど)()(とど)くな
1. to be thorough; to be attentive; to be well looked after
Said of care, attention, or management that extends to every corner of something. Most often used in the ている form to describe a place, service, or piece of work as impeccably tended.
掃除(そうじ)()(とど)いている
The cleaning has been done thoroughly.
この旅館(りょかん)サービス()(とど)いている
The service at this inn is attentive in every detail.
手入(てい)()(とど)いた(にわ)()気持(きも)いい
It feels good to look at a well-tended garden.
生徒(せいと)(かず)(おお)すぎて、一人(ひとり)ひとり指導(しどう)()(とど)かない。
There are too many students, so instruction cannot reach every one of them.

A compound of () (to go) + (とど) (to reach). The subject is the care or attention itself, marked with が, not the person providing it.

ASPECT (ている):
The plain form is rare in the present tense. The normal affirmative use is ()(とど)いている (is thorough, is well looked after), a resulting state, while the negative ()(とど)かない points out where care is falling short.

Common collocations

Transitivity

Intransitive. It takes no direct object; the area covered is marked with (すみずみ()(とど)く, to reach every corner).