せいこん
Meanings
Noun
1. energy; vitality; mental determination
Pitch accent
いこん
いこん
Composed of
spirit; sprite; energy; vigor (vigour); fine details; semen
stick-to-itiveness; perseverance; radical (esp. one that tends to ionize easily); root; indriya (faculty of the body having a specific function, i.e. the sensory organs)
Used in vocabulary (2 in total)
to use up all of one's energy and willpower; to be exhausted (and have no will to go on)
to pour one's heart and soul into