| 释义 | | ghredh- To walk, go. Suffixed zero-grade form *ghr̥dh-yo‑.
 [Pokorny ghredh‑ 456.]aggress, congress, degression, digress, egress, ingredient, ingress, introgression, plantigrade, progress, regress, retrograde, retrogress, tardigrade, transgress, from Latin gradī (past participle gressus), to walk, go;grade, gradual, graduate, gree; centigrade, degrade, degree, from Latin gradus (< deverbative *grad-u‑), step, stage, degree, rank.
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