出典:Wiktionary
From Middle English tractable, tractabel, from Latin tractābilis (“that may be touched, handled, または managed”), from tractō (“take in hand, handle, manage”), frequentative of trahō (“draw”).
tractable (comparative more tractable, superlative most tractable)
of something, to be useful
dealt with
摂生する
to carry something on one's back
有利にする
refrangibility