揺蕩う

Etymology 1
→ →

From. Appears in the  of 759.

Derived from the adjective + auxiliary verb suffix.

The kanji spelling is an example of, based on the synonymous 🇨🇬-derived term.

Verb

 * 1) to bob, to move about uncertainly as a floating item moves about on the surface of water or some other liquid
 * 2) to be undecided or uncertain
 * 3) to pause or hesitate due to indecision, to dally, to dawdle
 * 1) to pause or hesitate due to indecision, to dally, to dawdle

Usage notes
The alternative spelling is uncommon.

Etymology 2
→ →  →  →

Shift from tayutau above. Listed with a reading of tayutǒ in the 1603 .