trine
noun
[ trʌɪn ]
• an aspect of 120° (one third of a circle).
• "Venus in trine to Mars"
trine
verb
• (of a planet) be in a trine aspect with (another planet or position).
• "Jupiter trines Pluto all month"
Origin:
late Middle English (in the sense ‘made up of three parts’): from Old French trin(e ), from Latin trinus ‘threefold’, from tres ‘three’.