dlegh-

To engage oneself. European root found in Celtic, Germanic, Slavic, and possibly Latin.

1.

a. play, from Old English plegian, to exercise oneself, play;

b. pledge; frankpledge, replevin, from Late Latin plevium (> Old French plevir, to pledge), pledge, guarantee;

c. plight², from Old English pliht, danger, peril, from Germanic derivative noun *plehti-. a-c from Germanic *plegan, probably altered (by dissimilation) from *tlegan.

2. Zero-grade form *dl̥gh-. indulge, from Latin indulgēre, to indulge, explained by some as from prefixed and suffixed stative form *en-dl̥gh-ē- (*en-, in; see en).

 

[Pokorny dhl̥gh- 271.]

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