徹する

てっするtessuru

suru verb · intransitive

  1. to penetrate
  2. to sink in
  3. to devote oneself (to)
  4. to do intently and exclusively
  5. to do throughout (e.g. the night)

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences