irk 
(ûrk)
(ûrk)tr.v. irked, irk·ing, irks
To be irritating, wearisome, or vexing to. See Synonyms at annoy.
[Middle English irken, to weary, possibly from Old Norse yrkja, to work, make verses, harangue; see werg- in the Appendix of Indo-European roots.]