Readings
Kun readingしたが.う、したが.える、より RadicalComponents
Mnemonic (RtK)
ⓘNelson · column · going (行) · line · horns · mend
From "Remembering the Kanji" by James Heisig · Frame 942
Compound words
when in Rome, do as the Romans do alliance (of the Six Kingdoms against the Qin dynasty, and of individual Kingdoms with the Qin dynasty)