Oimelc is a Gaelic word of uncertain derivation, the connotation is with Springtime, the coming of more sunlight and a new season. There is also the further  association of refreshing a household and clearing away old items and cleaning up. Ritualistic with this is linkage to sun worship. Festivals and customs associated with Oimelc place it near the beginning of February, popularly the 2nd.

The interest here is twofold. Energy is the first interest. The radiation of related and unrelated ascriptions to Oimelc as regards, seasonal virtues, religious connotations and popular customs is fascinating.

Some links are appended here to show the range of interest in Oimelc. Many do not deal directly with the meaning of Oimelc, but paraphrase it from wherever the author seems to have felt suitable and this can the impression of ostensible authority. Reader beware!

https://caeraustralis.com.au/oimelc.htm
https://naturalpantheist.wordpress.com/tag/oimelc/
https://witchesofthecraft.com/tag/oimelc/
http://en.wikipedia.org/wiki/Beltane