ḱeyd-

“to fall, happen, befall”

Widely acceptedeventchange

incident, accident, occasion, decay

Root yielding Latin cadere, English incident, accident, occasion, decay, deciduous.

dʰeh₁-mn̥-₃“deed, action, thing done”h₃erbʰ-₂“to turn, change, transfer”h₃erp-“to turn, change sides”keh₂-d-eyo-“to keep sharpening, inciting”mey-tʰ-“to exchange, trade, change”meyH-“to change, exchange, go”meyH-tó-“changed, exchanged, moved”trep-“to turn, change”