dʰerǵʰ-eyo-

“to keep holding firm, enduring”

Widely acceptedtimepersistence

endure, duration, durable, during

Iterative yielding Latin dūrāre, English endure, duration, durable, during, obdurate.‌‌‍‌‌‍‍‍‍‍‌‍‍‍‍‍‌‌‍‌‌‌‌‍‌‍‍‍‌‌‍‍

bʰew-tó-“that which has grown, become”deh₂-“to divide, share”deh₂-mn̥-₂“a portion of time, division”dʰegʷʰ-“to burn, be warm”dʰeh₁-tú-“established time, appointed date”dʰerǵʰ-mn̥-“firmness, hardness, endurance”dʰǵʰyes-“yesterday, the previous day”dyu-es-“daylight, bright day”