The word "treadings" is spelled with the letter combination "ea" which produces the /ɛ/ sound in English. This sound is followed by the letter "d" which produces the voiced dental plosive /d/. The ending of the word, "-ings," is pronounced with the sound /ɪŋz/, which represents the voiced alveolar nasal. "Treadings" refers to the action or process of treading or walking on something, such as a staircase or a path.