勢せい力りょく拡かく大だいMeaningsNoun1. expansion of one's sphere of influence; increase in one's power (strength, influence)Kanji used勢vigor力power拡expand horizontally大largeComposed of勢せい力りょくinfluence; power; might; strength; potency; force; energy; influence (of stones)Noun拡かく大だいexpansion; extension; magnification; enlargement; escalation; spreadNoun