sidle · verb, noun1
The verb is from side + -le (frequentative suffix), possibly a back-formation from sideling (“in a sidelong direction; askew, obliquely”, adverb), treating that word as the present participle of sidle. The noun is derived from the verb.
Sidle · proper noun2
Variant of Siddall.
First known use, by meaning
- from late 17th c. To (cause something to) move sideways.
Etymology from Wiktionary, CC BY-SA 4.0.